Meet Lidar: The Amazing Laser Technology That’s Helping Archaeologists Discover Lost Cities

LIDAR sends out a million laser points to create a digital outline of the land’s surface. Scientists are using these high-tech renderings to uncover the secrets of Angkor Wat and the original metropolis that once surrounded it.

Archaeologists have discovered several medieval cities, buried beneath the forest floor in Cambodia: the largest is said to rival the modern Cambodian capital, Phnom Penh, in size.


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