- 07/07/2025
Mount Everest, the most familiar peak to people. Mountaineers regard climbing Everest as a glory of self-conquest, while scientists call it the "Third Pole" of the world, which, like the North and South Poles, is an important geographical landmark in our Earth's home, attracting numerous scientists to explore its secrets.
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00:00April 2020.
00:19On a road in the Himalayas, a team of surveyors
00:22are hard at work.
00:30Over the past six months, they have walked nearly 1,800 kilometers
00:45across this windswept, high-altitude landscape.
00:49The final target of their survey is the mountain at the end of the road, Mount Chomolengma.
00:58Its summit lies on China's border with Nepal and is the highest point on Earth.
01:03All around, a team of over 100 people are busy with their duties at China's base camp
01:10for Mount Chomolengma.
01:12Chinese surveyors and mountaineers are working together in an expedition to
01:17re-measure the elevation of the mountain.
01:19the elevation of its peak.
01:26Chinese surveyors and mountaineers are working together
01:33in an expedition to re-measure the elevation of its peak.
01:40Chinese surveyors and the
02:10years ago, two of the Earth's tectonic plates collided.
02:18The subduction of the Indian plate
02:20under the Eurasian plate slowly pushed up
02:22the world's highest mountain range, the Himalayas,
02:25along the border area between Nepal and China.
02:34The world's highest peak, Mount Chomalangma,
02:37is right in the middle of the range.
02:39The passage the other to lay down the doors
02:42at the top of the energy.
02:43Explained a swoje asaf asaf
02:45Asafalangma's side
03:03In the foot of Hplayer记
03:06With just two days left, before the year's small window of stable weather and favourable
03:12climbing conditions on Mt. Chomalangma starts, the arrival of a truck is making everyone
03:17at the base camp excited.
03:36It's very nice to see the weather here.
03:39The weather has come from 3 months to now.
03:41We're always going to leave here today.
03:43We're going to leave the car.
03:45We're going to put them in the bag.
03:49Oxygen is an essential supply to guarantee safety when climbing Mt. Chomalangma.
03:56Because of the COVID-19 pandemic, it has taken an extraordinary effort from the team to procure
04:01some and have it delivered.
04:06We're going to take a look at this.
04:10Because the weather is currently only in Russia and in England.
04:14The Russian company is also in Nibboa.
04:18With the pandemic, Nibboa has divided the country.
04:21The weather is not going to leave.
04:25The weather is not going to leave.
04:27The weather is not going to leave.
04:29We're going to leave.
04:31We're going to be very busy.
04:36Thanks to the coordinated efforts by China and Nepal, the oxygen has arrived in time.
04:46Without delay, it is loaded onto yaks and sent to the expedition's advance camp at an altitude of 6,500 metres.
04:54We're going to be at 1,500 metres.
05:04It was the 4th of the year,
05:10the 5th of the year was a good day,
05:12so I was afraid I could get on.
05:14But through the 4th of the year,
05:16we were able to get together,
05:18and we were able to get in.
05:20At that time,
05:22everyone was very happy,
05:24and suddenly,
05:26we had a big day,
05:28and we were shocked.
05:34Climbing to the highest point on Earth
05:38is many people's dream.
05:42Mountaineers see Mount Chomolungma
05:44as the ultimate test.
05:46For scientists, meanwhile,
05:48measuring it is also a challenge.
05:56How high precisely
05:58is the world's highest peak?
06:04At the Mount Chomolungma base camp,
06:08there is a stone monument.
06:14It was erected to commemorate
06:16an elevation survey completed in 2005.
06:18The number 8,844.43 meters inscribed on it
06:24has until now been included in Chinese textbooks
06:28as basic geography knowledge.
06:30Before this number was determined,
06:32China had already conducted
06:34five surveys of Mount Chomolungma,
06:36among which the one completed in 1975
06:38was the best known.
06:40China's central newsreel
06:42and documentary film studio
06:44recorded it for national viewing.
06:46In 1975,
06:485月27日,
06:50it was 14.30.
06:52I am a female female team
06:54and eight female team
06:56have come to the top of the North.
06:58Using data obtained from the 1975 survey,
07:00China announced for the first time to the world
07:02that the height of Mount Chomolungma
07:04was 8,848.13 meters.
07:10Why, therefore,
07:12was the number reduced
07:14by nearly four meters
07:16three meters?
07:18three decades later?
07:34Did Mount Chomolungma get shorter?
07:36And why are Chinese surveyors
07:42and mountaineers
07:43now measuring it
07:44for a seventh time?
07:46Every time of Chomolungma
07:48every time of Chomolungma
07:50testing,
07:51all represents
07:52this era
07:54the most advanced
07:55technology development
07:56level.
07:57Whether it's equipment
07:58or equipment,
07:59or equipment,
08:00or data,
08:02all will be successful
08:04and successful.
08:16In the history of science and technology,
08:20the discovery
08:21and recording
08:22of geographic information
08:23has advanced
08:24alongside civilization.
08:27Because of
08:28Mount Chomolungma's
08:29remote location
08:30and harsh surrounding environment,
08:31however,
08:32the first map to include it
08:33did not appear
08:34until 300 years ago.
08:41For reasons of heritage conservation,
08:43it is now difficult
08:44to photograph
08:45the oldest existing map
08:47that included
08:48Mount Chomolungma.
08:51At the National Museum
08:52of Classic Books,
08:53staff showed us
08:54an old copy.
08:57In 1943,
08:59Germany reissued
09:00a copy of the world's
09:01first map
09:02with Mount Chomolungma
09:03on it,
09:04the Kangxi Complete Atlas
09:06of Imperial Territories.
09:11The Kangxi Complete Atlas
09:12of Imperial Territories
09:13was first published
09:14in 1717,
09:16and a map of Shizong
09:18was added
09:19two years later.
09:20At the border
09:21between China and Nepal,
09:22the six Chinese characters,
09:24Zhu Mulangma Alin,
09:26are clearly printed.
09:29Zhu Mulangma
09:31is a Chinese transliteration
09:32of the mountain's
09:33Shizong name,
09:34which means
09:35the mother of land.
09:36Alin, meanwhile,
09:37means big mountain
09:38in the Manchu language.
09:45The Kangxi Complete Atlas
09:46of Imperial Territories,
09:47completed more than
09:48300 years ago,
09:49didn't indicate the elevation
09:50of Mount Chomolungma.
09:51It was not until the mid-19th century,
09:53when the survey of India
09:54used geodetic triangulation
09:55to map the Himalayas,
09:56that its peak
09:57was determined
09:58as the world's highest.
09:59It was about 1952.
10:00In 1852,
10:01the British
10:02released their measurement
10:03of Mount Chomolungma
10:04to the public,
10:05putting its summit
10:06at 8,840 meters
10:07above sea level.
10:08This was 258 meters
10:09high,
10:10and the British
10:11had found
10:12that its peak
10:13was determined
10:14as the world's highest.
10:15It was about 1952.
10:16The English
10:17Indian Air Force
10:18had the
10:18Indian Air Force
10:19in the United States.
10:20In 1856,
10:21the British
10:22released their measurement
10:23of Mount Chomolungma
10:24to the public,
10:25putting its summit
10:26at 8,840 meters
10:28above sea level.
10:29This was 258 meters
10:31higher than another
10:32Himalayan peak,
10:33Mount Kunchenjunga,
10:34which had previously
10:35been considered
10:36the world's highest.
10:42This was undoubtedly
10:43an extremely important
10:44geographical discovery.
10:46But although
10:47the measurement
10:48obtained
10:49was not far off
10:50later findings,
10:51surveyors today
10:52see this as something
10:53of a lucky coincidence.
10:58The accuracy
10:59of measuring instruments
11:00available in the
11:01mid-19th century
11:02was limited.
11:03And because
11:04the Kingdom of Nepal
11:05refused to allow
11:06the British to enter
11:07the country out of fear
11:08of invasion,
11:09the nearest point
11:10the survey could use
11:11to measure Mount Chomolungma
11:12was 174 kilometers away.
11:15the
11:19It was in India
11:20to study
11:22from the
11:23China
11:24to the
11:25the
11:26the
11:27the
11:28the
11:29the
11:30the
11:31the
11:33the
11:34the
11:35the
11:36the
11:37the
11:38Accuracy of measurement is a necessary requirement for technological progress.
11:49It is natural, therefore, for scientists to measure themselves in terms of their ability
11:56to measure the highest point on Earth.
11:59Very slowly, in fact, that height is actually increasing.
12:04Over 400 million years ago, the Himalayas were at the bottom of an ocean.
12:09The geological theory of plate tectonics tells us there were two ancient continents on Earth
12:14at that time, Laurasia in the Northern Hemisphere and Gondwana in the Southern Hemisphere.
12:22About 250 million years ago, the planet entered a period of increased geological activity.
12:28Huge tectonic forces created by movements in its crust began to split the ancient super
12:34continents.
12:52What is today the Indian plate broke away from Gondwana 80 million years ago, and then moved
13:01north for more than 30 million years, eventually colliding with Eurasia at the border of Asia.
13:14Folds found in rocks today can confirm this event.
13:19It created the youngest mountain range on Earth, the Himalayas, including its highest peak.
13:29Geologists have determined that the collision of the Indian plate and the Eurasian plate
13:34has been in progress for 50 million years and is ongoing.
13:40Within the context of the planet's long history, Mount Chomolungma is like a juvenile,
13:46and still growing at an average rate of 4 millimeters per year.
13:50So naturally, its height needs to be measured over and over again.
13:55Chen Gong, a member of the mountaineering team, is a
14:25geologist.
14:27Since 1988, he has been involved in leading a science project to observe the movement of
14:32tectonic plates.
14:37According to their findings, in just the past 20 years, Mount Chomolungma has shifted
14:42more than 30 centimeters to the northeast due to slow, crustal movements.
14:46When violent movements occur, it shifts even faster.
14:55The Gorkha earthquake that struck Kathmandu, Nepal on April 25th, 2015, caused the massive
15:15Mount Chomolungma to shift another 13 centimeters to the northwest.
15:25Do such crustal movements actually make the mountain taller or shorter?
15:29The collision of the Indian and Eurasian tectonic plates, which has been
15:55in progress for 50 million years, has not only created Mount Chomolungma, but also squeezed
16:00out deep folds in the Earth's crust.
16:06The Himalayan region is home to a range of ecosystems whose elevation varies by more than 6,000 meters,
16:13making it unique in the world.
16:16Traveling through the Mount Chomolungma National Nature Preserve,
16:19visitors can experience dramatic temperature changes and see a wide variety of natural environments
16:26in a single day.
16:37Barals, for example, favor cold alpine regions and can be seen around the base camp at an altitude
16:44of 5,200 meters.
16:48Northern Plains Grey Languers, meanwhile, live in the subtropical forests of Jiangmu Town,
16:53which lies in the hinterlands of the Himalayas. The habitats of the two animals are situated
16:59at the same latitude and only about 90 kilometers apart.
17:04How can this natural wealth be protected?
17:07The Mount Chomolungma survey has laid the foundation for further research.
17:11in terms of Tirouang to the width.
17:14Every time in Tirouang reservoir, it's not only shading for Tirouang
17:16to the height. It's also using the methods of Tirouang to obtain
17:18other strategic data to scan data to ask other important businesses
17:22studying.
17:25For the Department of Firefighters to provide a large database
17:29we also use the tool to use the pre- arbets.
17:33In Brazil, Panama City, Panama City, Panama City, Nana City, Panama City, Panama City,
17:37Deutsche Bank in the country with obeyed hand.
17:39After completing a day's work, surveyed team member Wei Junhui returns to his hotel with
17:48his colleagues.
17:53Compared with members of the mountaineering team at the base camp, his task is not easy
17:58at all.
17:59He hasn't been home for six months.
18:09Hard at work, field surveyors spend much more time with their colleagues than with their
18:35families.
18:45For this project to make the newest measurements of Mount Cho Malangma, the Ministry of Natural
18:50Resources of China sent its first geodetic surveying brigade to Shizong half a year earlier.
19:05The surveying and mapping team, led by Wei Junhui, is actually one of four teams using a technique
19:10for determining the relative height of points on the Earth's surface, called leveling.
19:17They work as they progress along the route by making marks every 25 meters or so, and measuring
19:23the height difference between them.
19:28the average level of the Yellow Sea near Qingdao in Shandong Province as their benchmark for
19:40zero altitude.
19:46the elevation of any point on Earth is then given by referring to this.
19:58Wei Junhui and his colleagues need to make two round trips on the shoreline.
19:59Wei Junhui and his colleagues need to make two round trips on the shoreline.
20:00surveying route to complete their leveling.
20:01Wei Junhui and his colleagues need to make two round trips on the surveying route to complete
20:07their leveling.
20:08They also need to climb mountains to obtain data for comparison and correcting during their survey.
20:15their survey.
20:16Over the past six months, the team have to take a look at the shoreline.
20:25Wei Junhui and his colleagues need to make two round trips on the surveying route to complete
20:30their leveling.
20:31They also need to climb mountains to obtain data for comparison and correcting during their survey.
20:36over the past six months, the team have trekked 1,800 kilometers, positioning their instruments
20:49at regular intervals along the way.
20:51From the geodetic leveling datum in Shigatse, one of Shizong's largest cities, to the foothills
20:56of Mount Chomalangma.
21:01Once in position, the team will use traditional geodetic triangulation
21:06to carry out their final measurement of Mount Chomalangma from six intersection points.
21:19Located in the middle Rongbuk glacier at the foot of Mount Chomalangma, the middle Rongbuk
21:24intersection point is one of the six points.
21:28Surveyors Li Feng and Song Zhao Bin have been here for two days.
21:33After a simple breakfast in the biting wind, they start their day's work.
21:42The two men need to determine where to set up their instruments before the measurement
21:46of the summit begins.
21:48They will also measure their distance and altitude difference from the other five intersection points.
21:54The focus is one of the four points.
21:55The point of the surface is to be adjusted to the middle of the mountain.
22:03The horizontal geodetic triangulation used in the intersection survey is the most basic
22:09way to measure Mount Chomalangma.
22:11By measuring the distance and the angle of elevation between a known survey point and any unknown point,
22:17The height difference between the two points can be calculated.
22:24By surveying the summit of Mount Chomalangma from multiple known survey points,
22:29its three-dimensional spatial coordinates can be derived.
22:35Geodetic triangulation is often called a traditional method,
22:39not only because it is well-established, but also because it is actually very old.
22:44More than three centuries ago, the method was used to produce the Kangxi Complete Atlas of Imperial Territories.
22:52140 years later, the Survey of India also used it for the measurement of Chomalangma.
22:59Although the basic method of geodetic triangulation has not changed,
23:03the tools used to perform it and their accuracy have improved dramatically.
23:07The instrument that Lefeng and Tsong Jiao Bin rely on uses lasers to measure distances and angles.
23:15At the same time, we need to measure this temperature.
23:18This temperature is a乾-wine, a乾-wine, a shi-wine.
23:23It's called a通-fung乾-shi-wine-du-biao.
23:26This is a high-end heat-hine-biao.
23:28To correct the effect of atmospheric refraction on the laser,
23:33the two men also record changes in temperature and barometric pressure during their measurements.
23:38From their point of measurement to the summit of Mount Chomalangma is about 11 kilometers.
23:43The most distant of the six intersection points, in fact, is just 18 kilometers from the summit.
23:49During the final measurements, a beacon will be set up on the summit to facilitate the process.
23:54To perform traditional geodetic triangulation today, the latest modern technology is essential.
24:13The hemispherical instrument receives signals from China's Beidou navigation satellite system.
24:19As long as it is switched on at a survey point, the position and height of that point can be calculated.
24:28It's quite simple, yet very accurate.
24:36With such accurate measuring instruments available today,
24:39why is such an old method still being used to measure Mount Chomalangma?
24:43The
24:44We're at the
24:45We're at LA, when we are scanning the
24:48on the mount of the shuttle, we're not exactly fine.
24:51Because when we走 in these
24:52登山活動 is very difficult.
24:55This depends on the
24:55World-tiping test wet rains.
24:57I test out.
24:57I go into the
24:58First, we have to test one.
24:59It's just that's an chance.
25:01So the
25:01The
25:02The
25:02End of the
25:03You just want to put it on the
25:04On the
25:04I
25:06At the
25:06You
25:08You
25:08You
25:09You
25:09You
25:09You
25:10You
25:11You
25:11You
25:13You
25:13In addition to traditional geodetic triangulation and the Beidou navigation satellite system,
25:29the team are also using another instrument for their survey.
25:36It works by using one of the most important theories of physics, Newton's theory of gravitation.
25:44It is nothing more certain.
26:10The working principle of this instrument was observed
26:13by the Italian physicist di Galileo in famous experiments he conducted at the
26:18beginning of the 16th century. It measures gravitational acceleration, which is a
26:23product of the magnitude of the Earth's gravity. The instrument's measurements
26:29are conducted in an almost complete vacuum to effectively reduce interference
26:33by external factors, such as air resistance. Through such measurements,
26:39gravitational acceleration at a survey point can be directly obtained, which is
26:44called absolute gravity in surveying and mapping. Based on its results, the survey
26:50team calibrate a few portable relative gravimeters for use in the field.
27:01Gravity, of course, is what keeps us on the ground, but the force it exerts is not
27:08exactly the same across the Earth's surface. Because of different landforms and the
27:14varying composition of the Earth's crust, it can change by a very small amount.
27:18Although the difference is too small to feel in our daily life, if you watch the
27:26flow of water, it's easy to realize how gravity affects everything.
27:30What makes a river flow from high to low is undoubtedly the Earth's gravity. High places,
27:42in fact, are places where the Earth's gravity is lower, and low places are places where the
27:48Earth's gravity is higher.
27:49The summit of Mount Chomolangma, which is the highest place on Earth, should therefore be
27:59the place on the Earth's surface where its gravity is the lowest. Until now, however, no one
28:05has ever carried a gravimeter there.
28:09The reference point for elevation surveys in China is the mean sea level of the Yellow Sea
28:26near Qingdao. If this absolutely stable and static mean sea level, as imagined by surveyors, is extended
28:35inland. It will form a geodetic datum with various heights, but consistent gravity.
28:43This is the vertical datum of the Mount Chomolangma survey. Gravity measurement serves to determine
28:48the exact shape of the geodetic datum in the area of Mount Chomolangma.
28:52The flavour was extremely important. Until the surface has become the ground, I can
28:57absolutely validate this surface. We may check on the soil level of the ocean level of
29:00the map, so we are not sure that from Qingdao to the sea level of the ocean level of
29:05the sea level. I just move to the surface of the sea level. If the sea level is aquele
29:11más weight, it is ok. That's an old技術. That's a new技術. It should be
29:17every mount chomalangma elevation survey produces a huge database after completion
29:28of the 2020 survey data obtained from peripheral measurements will be sent back to the fourth
29:33institute of surveying and mapping at the shanxi bureau of surveying mapping and geo information
29:39together with data from the summit survey once there analysts will analyze it and make
29:46new calculations in light of results from previous surveys and then refine their model of geodetic
29:51datum of the mount chomalangma to arrive at a more accurate elevation figure for the peak
30:16we've already completed the西藏全境
30:19so this time we have a lot of information on the outside
30:21and we have a lot of information on the outside
30:33by the last day of april 2020 the peripheral measurements of the
30:37mount chomalangma elevation survey have been completed the summit survey which is attracting
30:42the most media attention can officially begin
30:44the surveyors have carefully developed a detailed plan for their survey in light of the harsh
31:11environment of mount chomalangma the traditional method of geodetic triangulation is needed to
31:16guarantee the success of the project modern surveying and mapping techniques will also be adopted
31:22to ensure the accuracy of the result chinese domestic technology is playing a chief role in the survey
31:31including the bay dou navigation satellite system snow depth sensors and gravimeters
31:36although these technologies and instruments represent the highest level in the field of surveying and
31:43mapping today they must still be taken to the summit of mount chomalangma to make an accurate measurement of
31:49its elevation
32:19so this time we also hope that we can be able to achieve our national national
32:24training team and the international team of the international team
32:26and the international team of the international team
32:28to make our best equipment and make our best equipment
32:31to get the best equipment and the best equipment
32:43in the history of mountaineering
32:44New Zealand climber Edmund Hillary and his sherpa, Tenzing Norgay,
32:48were the first two people to reach the summit of Mount Chomalungma.
32:55On 29 May 1953, the two men reached the world's highest peak together,
33:01announcing that Mount Chomalungma was no longer an off-limits area for humans.
33:06According to the Himalayan database, more than 5,000 people have since followed,
33:18reaching the top of Mount Chomalungma to date.
33:23Especially in recent years, with improvements in weather forecasting and the development of
33:28logistical support, climbing Mount Chomalungma is no longer an exclusive sport for professional
33:33mountaineers and explorers. Many enthusiasts have left their footprints on the peak.
33:51But this doesn't mean that climbing the world's tallest mountain has become easy and safe.
34:03So, we have prepared for 3-4 years of climbing Mount Chomalungma.
34:12Reaching the highest altitude on Earth means not only cold and a lack of oxygen,
34:18high-altitude sunlight can also burn and cause snow blindness.
34:23Glacial crevices can appear at any time.
34:26The frozen bodies of more than 200 climbers are still lying on Mount Chomalungma.
34:36Yaks can also die along the route.
34:38It appears to me that last year it has a look approaching than 2020.
34:46Our journey toward how it's gotten up to the ground here.
34:49The� priiliar is ???
34:51The best form of Pokémon is a no-investig at all!
34:58Here we go.
35:01I hope it begins to develop a lot of knowledge to prevent this.
35:05The Emile.
35:07May 6, 2020, and multiple meteorological agencies around the world have forecasted good weather
35:21in the Chomelungma area, making the coming days very suitable for climbing.
35:37May 6, 2020, and many other meteorological agencies around the world have forecasted good weather.
35:55加油
36:14作为登山人
36:16我们要不忘初心 牢记使命
36:18传承好登山精神
36:20能够追寻先辈的足迹
36:22去重测入木拉马峰
36:23I think I'm very proud and very proud.
36:26At the end of this stage,
36:28we need to be able to achieve our level,
36:31our level, our strength, and our strength
36:34to achieve the best.
36:35We're going to be able to reach 4 months
36:38in the training room.
36:39We're going to be able to give ourselves a
36:40good answer.
36:42I feel like I really want to meet my husband.
36:44We're going to change our situation
36:46and try to do our job.
36:48And then we're going to go back.
36:51I'm going to change our team
36:53and we're going to work.
36:54Let's go.
36:55Let's get to our leader.
36:57Let's go.
36:58Let's go.
36:59Let's go.
37:00Let's go.
37:01Let's go.
37:21With so many climbers having attempted Mount Chomolungma over recent decades, 19 routes
37:39have been developed.
37:42The survey team is following the one taken by the first successful ascent of the mountain
37:46by a Chinese team in 1960.
37:49It is also called the North Ridge Route.
38:01Climbing along the North Ridge Route is generally divided into two stages, advancing and summiting.
38:09Because of the long distance, climbers usually spend their first night in the transition camp
38:14at an altitude of 5,800 meters.
38:19The terrain here is relatively flat and open, with less wind and more safety.
38:27The next day they will cross the East Rongbuk Glacier, which has a lot of crevices, and will
38:33reach the end of the first stage, to sleep at the advance camp at an altitude of 6,500 meters.
38:40The advance camp is located in a valley on the northeast side of Mount Chomolungma.
38:49This is the front end of the East Rongbuk Glacier.
38:53At an ultra-high elevation of 6,500 meters above sea level, even experienced climbers and alpine
39:04guides get altitude sickness.
39:06A nickname for the advance camp is the Devil's Camp.
39:10The advance camp is the last stop that yaks carrying supplies can reach.
39:25It's therefore the most important resupply base for climbers before they march to the summit.
39:30If they can adapt to the environment at this camp, they are well positioned to make it all the way to the top.
39:39Here, they can rest, and have some adaptive training while waiting for a suitable time to continue onwards.
39:53The main force of the team of the 2020 Mount Chomolungma Survey comes from the China Mountaineering Team
39:59and Shizong Mountaineering Guide School.
40:01Every member has reached the summit of Mount Chomolungma before, and some have even done it several times.
40:09To ensure accuracy of measurements, the first Geodetic Surveying Brigade under the Ministry of Natural Resources
40:16has also selected 10 surveying and mapping experts.
40:26Is it water or water?
40:29And everyone can practice.
40:32It's a front end.
40:33This is a combination of water.
40:34Let's see.
41:04to increase the strength of the team.
41:21Eight people or 10 people are a whole group.
41:24If I can go up a little, just go up a little.
41:26If I can go up a little,
41:28it's also a reward for this team.
41:30If I can go up a little, it's not a problem.
41:33We can make sure this team is done.
41:43Today's team is going to be on the O.
41:46We're going to be able to go to the O.
41:48We're going to be able to train the O.
41:49We're going to be able to train the O.
41:54We're going to train the O.
41:56How to train the O.
41:58No problem.
41:59Everyone's situation is still good.
42:00They're not good.
42:01We're going to be able to train the O.
42:03We're going to be able to train the O.
42:04We're going to be able to train the O.
42:09Although the surveyors all have experience working
42:12at high altitudes on the plateau
42:14and are receiving guidance from the National
42:16Mountaineering Instructors,
42:18altitude sickness is still a major challenge
42:21around and beyond the Devils camp.
42:40The team members must overcome the fatigue and dizziness
42:43they are feeling as soon as they can
42:45to give the survey its best chance of success.
42:48,
42:53this is the 600-6500
43:09I'm going to sleep in the morning.
43:14What are we going to do now?
43:17We are going to 7028.
43:207028 to 7028 to 7028.
43:23We are going to be able to feed the物資.
43:26We are going to be able to feed the物資.
43:29We will be able to feed the物資.
43:32We will be able to feed the物資.
43:39On May 8, 2020, after a night of snow and wind,
43:43the mountaineers who have been resting at the advance camp
43:46finally get their instructions to head to the summit.
44:09The road building squad and the transportation squad
44:16are the first members of the survey team to set out.
44:19They are the vanguard of the mountaineers.
44:22The road building squad and the transportation squad
44:25are the first members of the survey team to set out.
44:29The road building squad and the transportation squad are the first members of the survey team to set out.
44:36They are the vanguard of the mountaineering team and crucial to the successful completion of the survey.
44:49But shortly after leaving the camp, they are forced to stop.
44:59We are preparing for the next afternoon.
45:06At the morning, the first team will go to 7028, and we will go to 6028.
45:11We will go to 6028, and we will go to 608.
45:14We have a feeling of the flow.
45:17If we move on forward, the flow may increase the flow.
45:23The flow may occur due to the flood.
45:26It's the biggest danger to the登山.
45:31Good job, good job, good job.
45:32You're not going to go down to 6500?
45:34Yes.
45:36It's a day.
45:38We're going to go down to the water.
45:40We're going to go down to the next few days.
45:42And the road is going to go down to the next few days.
45:44We're going to go down to the next few days.
45:46We're going to go down to the next few days.
45:50The登山 has a word called
45:52The three days of the登山.
45:54It's mostly because the rain in the New York City
45:56The rain is more dry than the rain.
45:59The rain is less dry.
46:01The rain is less dry.
46:03The rain is not stable.
46:05The rain is more dry when it comes to the rain.
46:08We're going to go down to the rain.
46:11After the rain on the night,
46:13And the rain on the day and the rain on the other day.
46:15It's more perfect.
46:17So in the future,
46:20The rain is more dry than the rain on the night.
46:23The best time of the year to climb Mount Choumalangma is in May, when winter with its lower oxygen
46:33levels and temperatures is over.
46:35But the warm and wet rainy season has not yet arrived.
46:41May is the safest time of year for both the yaks that carry supplies across glaciers and
46:47mountaineering teams heading to the summit.
46:50We have three objectives, the first, to ensure safety, the second, to be successful, and
46:56the third, to complete the summit's assessment.
47:00So we have to keep the safety of the summit.
47:05But in my heart, we still have some doubts.
47:08But we are full of trust, since the 5th to 5th to 5th, we have about 20 more minutes.
47:15The COVID-19 pandemic in 2020 has greatly reduced the time the team has had to train and adapt.
47:28But with 23 days remaining in the month of May, its more experienced members are not overly
47:35worried.
47:37Sure enough, four days later, the road building squad, tasked with opening up the climbing route,
47:52has laid safety ropes to 8,600 meters above sea level.
48:07Although bad weather has been blocking the final stretch, the summit is now close at hand.
48:13We are close at hand.
48:43Since 2014, don't forget.
48:44Because of the phosphate rope, we can review the pending there.
48:45Yeah, the responsible dem внеш
49:04All this has been postponed Million Balut, where we speed up.
49:06There wasn't plenty of difference here.
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