science

Lasers reveal massive, 650-square-mile Maya site hidden beneath Guatemalan rainforest


Geologists in northern Guatemala have discovered a massive Maya site that stretches approximately 650 square miles (1,700 square kilometers) and dates to the Middle and Late Preclassic period (roughly 1000 B.C. to 250 B.C.). 

The findings were the result of an aerial survey that researchers conducted via airplane using lidar (light detection and ranging), in which lasers are beamed out and the reflected light is used to create aerial imagery of a landscape. The technology is particularly beneficial in areas such as the rainforests of Guatemala’s Mirador-Calakmul Karst Basin, where lasers can penetrate the thick tree canopy.



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