Researchers in Peru have discovered an ancient site pre-dating the ancient Inca capital. Courtesy Pedro Szekely / flickr
Researchers in Peru have discovered an ancient site pre-dating the ancient Inca capital. Courtesy Pedro Szekely / flickr
Archaeologists find ancient site older than Machu Picchu
The ancient mountaintop settlement in Peru is 1,500 metres higher than the Inca capital and has pre-Inca features
