Travel photography and stock images by Stephen Bay
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Petroglyph Photos

Prehistoric Rock Art
Petroglyphs are images or drawings created by removing the surface of a rock face through chipping, carving, engraving, or abraiding. They are found world wide and in the United States there are many rich petroglyph sites in the southwest left by prehistoric people at locations such as V-bar-V Ranch. Petroglyphs can take a variety of forms and can be zoomorphic (with animal shapes), anthropomorphic (humans figures), and geometric (such as spirals or squares). Note that petroglyphs are different from pictographs, which are images painted on to a rock face. The term rock art may refer to both petroglyphs and pictographs.
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