Time Scanners: Macchu Picchu (2015)

NR | Dec 09, 2015 (US) | Documentary | 00:00

Structural engineer Steve Burrows scans the sacred Inca city of Machu Picchu using 3D laser technology. His three main questions: How did the Inca build a city atop a mountain? How were the terraces constructed? And how did they supply water to the city?