The Face of the Inca: An Extraordinary Feature of the Ancient City of Machu Picchu
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Built atop a mountain ridge 2,430 meters (7,970 ft) above sea level, the ancient citadel city of Machu Picchu is…
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Built atop a mountain ridge 2,430 meters (7,970 ft) above sea level, the ancient citadel city of Machu Picchu is…