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Mysterious Nazca Glyphs Have Just Been Revealed

This could finally explain their purpose.

Hundreds of years ago, the people who lived nearby carved the ground with giant lines to create pictures and symbols that can only be fully appreciated from the sky. This purpose, the researchers believe, is sacred – designed as part of a pilgrimage to Cahuachi, the ceremonial center of the Nazca culture, which overlooks some of the glyphs from high perches atop mounds. So Sakai and his colleagues teamed up with the IBM Thomas J. Watson Research Center to develop an algorithm for identifying faint glyphs amid the rubble on the Nazca Pampa from drone images.

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