DAVID NUNUK / SCIENCE PHOTO LIBRARY DAVID NUNUK / SCIENCE PHOTO LIBRARY
Nazca lines. Aerial photograph of geoglyphs, or landscape drawings, in the coastal desert of southern Peru. One represents a condor (lower right). The rectangular strip extending to upper centre is the Great Plaza of the Pleiades, so- called from astronomical theories that the builders orientated it with the Pleiades star cluster. Many of the geoglyphs depict stylised animals and other objects. They cover huge areas and can only be properly seen from the air. They were made by removing the dark surface stone to reveal a lighter stone layer underneath. It is thought they were made by the Nazca, a native South American people, around 2000 years ago.
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