Archaeologists from the Regional Directorate of Culture in Cusco, Peru, unearthed a ceremonial pot and stones at Machu Picchu. The items are thought to have been left as an offering sometime between 1438 and 1470 A.D., but the pot is a couple of hundred years older.

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http://www.andina.com.pe/Ingles/noticia-artifact-of-chimu-culture-found-in-machu...