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How do you map an ancient city in the middle of a jungle?
Prof Tim Murtha and Dr Eben Broadbent from the University of Florida show CrowdScience presenter Melanie Brown how they're using drones and LIDAR, a technology using lasers, to create 3D maps of archaeological sites.
Photo: Yaxchil谩n, Maya ancient city
Credit: Kelly Cheng, Getty Images
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