Discovery of 4,500-year-old female mummy sheds light on ancient Peru | Peru | The Guardian
Chan Chan: Mass grave found in ancient Peruvian city - BBC News
Inca | History, Achievements, Culture, & Geography | Britannica
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New ancient civilization discovered in Peru, Nicaragua and China unveil canal route, and study says Amazon could have had a lot more savanna. - LatinAmericanScience.org
Pre-Incan Civilizations in Peru - Historical Travel to Peru | Kuoda Travel
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