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Photos: A tour of Peru

Machu Picchu, called the Lost City of the Incas, is a 15th-century settlement in Peru. The site is the leading tourist attraction in Peru, the third-largest country in South America.

Machu Picchu, called the Lost City of the Incas, is a 15th-century settlement in Peru. The site is the leading tourist attraction in Peru, the third-largest country in South America.