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- 22:16, 23 October 2019 (diff | hist) . . (+4,690) . . N Concerns To understand about Machu Picchu Cusco (Created page with "while in the seventies, Burger and Asaro decided that these obsidian samples had been from your Titicaca or Chivay obsidian source, and Machu Picchu Cusco which the samples fr...") (current)