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In South America, a mysterious monument stretches almost a mile (1.5 kilometers) through the southern Peruvian Andes. Called Monte Sierpe, meaning serpent mountain, it consists of rows of around 5,200 aligned holes, and researchers have put forth a new theory for what they may have been.
In a study published today in the journal Antiquity, an international team of researchers conducted sediment analysis and took drone photography of Monte Sierpe. Their results suggest that the monument,…
