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Other prints have formed "roads" like geometric planes and appear to have been occupied by large groups of the population.[/img]Stretching across the Nazca plains - like a giant map or blueprint left by ancient astronauts, lie the famous Nazca Lines of Peru. It also known as Nazca figures, Nazca Pictures and Nazca Images.
The Nazca Lines are an engima. No one know who had built them or indeed why. Since their discovery, the Nazca Lines have inspired fantastic explanations from ancient gods, a landing strip for returning aliens, a celestial calendar, used for rituals probably related to astronomy, to confirm the ayllus or clans who made up the population and to determine through ritual their economic functions held up by reciprocity and redistribution or, a map of underground water supplies.