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MACHU PICCHU, PERU - JANUARY 18: The Inca ruins of the Machu Picchu sanctuary on January 18, 2014 near Cusco, Peru. The 15th-century Inca site, MachuPicchu also known as 'The Lost City of the Incas' is situated high above the Urubamba River. Now a UNESCO World Heritage Site it was discovered in 1911 by the American historian Hiram Bingham. (Photo by Justin Setterfield/Getty Images)

MACHU PICCHU, PERU - JANUARY 18: The Inca ruins of the Machu Picchu sanctuary on January 18, 2014 near Cusco, Peru. The 15th-century Inca site, MachuPicchu also known as 'The Lost City of the Incas' is situated high above the Urubamba River. Now a UNESCO World Heritage Site it was discovered in 1911 by the American historian Hiram Bingham.  (Photo by Justin Setterfield/Getty Images)