national-geographic 7 years ago
public broadcaster #History and Archaeology

Nat Geo History | Machu Picchu 101

Machu Picchu is a testament to the power and ingenuity of the Inca empire. Built without the use of mortar, metal tools, or the wheel, Machu Picchu stands as an archaeological wonder of the ancient world. But why was it built and deserted?

National Geographic
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