00:00My name is Christian Clos, I'm a researcher and explorer
00:03and I've just spent 4 times 30 days in the 4 most extreme environments of the planet.
00:21So the hottest dry, the coldest dry, the coldest wet, the hottest wet, the most versatile.
00:26So each time the most extreme constraints.
00:30In the desert of the Dasht-e-Lut, in Iran, we are in such a temperature
00:35that the body is unable to adapt and sweat properly.
00:40All the water evaporates immediately.
00:43So we have a huge water loss.
00:46You have to drink a lot, but if you drink during the day, it evaporates automatically.
00:50So it's not very useful.
00:52So you have to accept the suffering of the day.
00:55And wait for the night to rest a little and finally drink and rehydrate.
01:00To stay in a place like this, there is only one solution.
01:03It is really the mental projection that we are able to do.
01:06The physical, it only makes you suffer.
01:08There is nothing positive for him in an environment like this.
01:11So you have to find the mental power, the ability to find in yourself the strength to hold on.
01:17And that's difficult, because inevitably in an environment that is so hot,
01:21the pain just tells us, get out of here, it's not possible.
01:24There are times when we are necessarily saying to ourselves,
01:27you have no chance of getting out and death is inevitable.
01:30In a place like this, where we consider,
01:33since the Dasht-e-Lut is called the desert of the void,
01:36because we consider that there is no possible life,
01:38and besides, it is one of the rare places in the world where no human has ever settled,
01:42not even to cross during the summer,
01:44we can say to ourselves that we have nothing to do with it.
01:47And that we humans, we are not made to live there.
01:50And besides, I have several times had the impression that it was my last minute,
01:54so the pain became important during the day.
01:56I lost several kilos, six or seven kilos, I do not know exactly.
01:59I had my fat melted, I had no more correct hydration.
02:02A heart rate that had to work a lot to avoid overheating of my body,
02:07so to reduce the internal temperature.
02:10In a fairly short time, a few expeditions like this,
02:13we have physiological changes that occur in the brain,
02:16namely changes in the creation of neurons, synapses, mass, or decreases.
02:20The main goal of adaptation, it is a bit grandiloquent to say it like that,
02:24but it is really to understand how humans will be able to adapt to tomorrow.
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