Nazca Lines

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Nazca Lines a group of huge abstract designs, including representations of birds and animals, and straight lines on the coastal plain north of Nazca in southern Peru, clearly visible from the air but almost indecipherable from ground level. Made by exposing the underlying sand, they belong to a pre-Inca culture, and their purpose is uncertain; some hold the designs to represent a vast calendar or astronomical information. They have been preserved by the extreme dryness of the region.