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Hidden in the tropical jungle of Cambodia is the largest religious structure ever built - the majestic temple of Angkor Wat. It was built in the 12th century by the powerful Khmer Empire. Now archaeologists are using new technology to examine the monument at the satellite, aerial and molecular scales, to unravel the mysteries of this UNESCO World Heritage Site.

How was this iconic temple built? What are the secrets of its longevity? What remains to be discovered of the legendary lost city alongside? Using drones and 3D laser scanning techniques, teams of investigators are discovering long lost structures, looking for clues about whether the temple was used for a tomb, and unravelling the area’s hidden secrets. History, science, engineering, exposed as never before, the temple of Angkor Wat finally reveals itself, on every scale.