An international team of researchers has completed an extraordinary study that reveals the presence of thousands of undetected earthworks hidden beneath the dense cover of the Amazon rainforest in South America. Based on their discovery of about two dozen earthworks in the Amazon found during aerial surveys, the researchers estimate that somewhere between 10,000 and 24,000 unknown earthworks must still be waiting to be discovered within the Amazon Basin. It is believed that these earthworks in the Amazon were left there by indigenous peoples who lived in the region before the era of Spanish and Portuguese occupation and colonization. Cutting-Edge Technology Reveals Earthworks in the Amazon In a landmark research paper published in Science, the archaeological researchers explained how they
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