Peru Lost Ancient High Technology: Machu Picchu And Ollantaytambo.
This video of a walking tour through Cusco shows you obvious differences between what the Inca could have built, and what preceded them.
Clearly there were master stone builders before the Inca arrived in Cusco Peru 1000 years ago.
This is exclusive quadcopter footage of flying over the ancient Bolivian sites of Tiwanaku and Puma Punku.
Re-Dating Puma Punku and Tiwanaku With Geologist Dr. Robert Schoch of Boston University.