Daily question · hard
High on a mountain ridge above the Urubamba River, a 15th-century Inca citadel of perfectly fitted stone terraces stayed hidden from the outside world for centuries. The explorer Hiram Bingham brought it international fame in 1911, and in 2007 it was voted one of the New Seven Wonders of the World.
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Peru
💡 Machu Picchu was declared a UNESCO World Heritage Site in 1983.