Machu Picchu, one of the most recognized archaeological sites in the world, is located high (2,430 m above sea level) above the Urubamba River on a narrow saddle between two mountain peaks. The larger peak, called Machu Picchu (3,082 m), stands to the south, while the smaller peak, Huayna Picchu (2,720 m), is located to the north. A new paper by Ministry of Culture of Peru historian Donato Amado Gonzales and University of Illinois Chicago archaeologist...
