A petroglyph is an image created by removing part of the surface of a rock by incising, chipping, carving a form of rock art.indigenous,talampaya cayon la rioja argentina.Talampaya National Park is a national park located in the east centre of La Rioja Province, Argentina. The dry bed of the Talampaya River, where dinosaurs lived millions of years ago - fossils, whilst not as interesting as Ischigualasto, have been found here,The remains of indigenous peoples' settlements, such as the petroglyphs ,
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