Time Scanners: Macchu Picchu
"Time Scanners: Macchu Picchu on 123moviestan.com " – 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?
