When Scientists Scanned A Jungle With Light Waves, They Discovered A Monumental Mayan Secret

High above the canopy of a Belize wetland, researchers hover as they gather data about the earth below. And while the team can’t see through the leaves to the ground, the laser beams that they fire from their aircraft certainly can. Then, as the light bounces back up, it reveals a monumental secret – one about the ancient Maya people who once roamed here.