Luis Jaime Castillo, a Peruvian archaeologist with Limas Catholic University and an incoming deputy culture minister, flies a drone over the archaeological site of Cerro Chepen in Trujillo August 3rd, 2013. In Peru, home to the spectacular Inca city of Machu Picchu and thousands of ancient ruins, archaeologists are turning to drones to speed up sluggish survey work and protect sites from squatters, builders and miners. Remote controlled aircraft were developed for military purposes and are a controversial tool in U.S. anti-terrorism campaigns, but the technologys falling price means it is increasingly used for civilian and commercial projects around the world. |