00:00For thousands of years, great civilizations rose, ruled, and then mysteriously disappeared,
00:05leaving behind ruins, legends, and unanswered questions.
00:10These lost civilizations once shaped the world.
00:13Yet today, only fragments of their existence remain.
00:17How did they vanish?
00:18And what secrets did they leave behind?
00:21One of the most famous lost civilizations is Atlantis.
00:24First mentioned by the Greek philosopher Plato over 2,000 years ago,
00:28Atlantis was described as a powerful and advanced society that sank into the ocean in a single day and night.
00:35Some believe Atlantis was only a philosophical story,
00:39while others claim it was a real civilization destroyed by natural disasters like earthquakes or tsunamis.
00:46Even today, explorers search the ocean floor hoping to uncover the truth.
00:51Another remarkable lost civilization is the Indus Valley Civilization,
00:55which existed over 4,500 years ago in present-day Pakistan and India.
01:01Cities like Mohenjo-daro and Harappa were highly advanced,
01:05featuring planned streets, drainage systems, and brick houses.
01:09Surprisingly, this civilization did not fall due to war.
01:13Most historians believe climate change, river shifts, or long droughts forced people to slowly abandon their cities,
01:20leaving behind a silent but powerful legacy.
01:22Deep in the jungles of Central America, the Maya civilization once thrived.
01:28The Maya were experts in astronomy, mathematics, and architecture.
01:32They built massive pyramids and developed complex calendars.
01:37Yet around the 9th century, many of their major cities were suddenly abandoned.
01:42Scholars suggest prolonged droughts, overpopulation, and internal conflict led to their collapse,
01:47but the exact cause remains unknown.
01:50The ancestral Puebloans, also known as the Anasazi, lived in the American Southwest.
01:57They constructed incredible cliff dwellings carved into canyon walls.
02:01Around the 13th century, they mysteriously left their homes.
02:06Evidence points to severe drought and resource shortages,
02:09but why they never returned is still debated.
02:12Another fascinating example is Easter Island,
02:15home to the giant stone statues known as Moai.
02:18The civilization that created them eventually collapsed due to deforestation and lack of resources.
02:25Isolated from the rest of the world,
02:27the islanders faced environmental destruction that led to social breakdown.
02:32These lost civilizations remind us that even the most powerful societies are vulnerable.
02:38Natural disasters, climate change, and human decisions can erase entire cultures from history.
02:45Yet their ruins continue to speak telling stories of human brilliance, ambition, and fragility.
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