The Mystery of
Machu Picchu
Travel high into the Andes Mountains in Peru to discover Machu Picchu. Why did the Inca build it, and then abandon this city above the clouds?
Travel high into the Andes Mountains in Peru to discover Machu Picchu. Why did the Inca build it, and then abandon this city above the clouds?
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Photographs: USGS/NASA (all images)