According to an Italian scientist, a huge network of earthworks, or geoglyphs, is visible in satellite imagery of a large area, over 463 square miles, in the surroundings of the Titicaca Lake, Peru. Amelia Carolina Sparavigna, professor at Italy’s Politecnico di Torino, claims the patterns she discovered while studying satellite pictures near the Titicaca Lake. She says the shapes are the result of an almost unimaginable agricultural effort of Andean communities centuries ago. “People created a system of terraced hills and raised fields, which were large elevated planting platforms, with the corresponding drainage canals, to improve soil, temperature and moisture...