LIMA, Aug 14 — As land values rise, Peru’s ancient sites are under threat from development. To respond, Peru is creating a drone air force to map, monitor and safeguard its endangered treasures. — New York Times

Machu Picchu, the lost city of the Inca, is one of the most important archaeological sites in South America and the most visited tourist attraction in Peru. — AFP Relaxnews pic
Machu Picchu, the lost city of the Inca, is one of the most important archaeological sites in South America and the most visited tourist attraction in Peru. — AFP Relaxnews pic