archaeological formation of the jurassic period, stone panel with holes from the original inhabitants in the national park, parque

archaeological formation jurassic period stone panel holes original inhabitants national park parque nacional talampaya argentina desert arid rioja rock soil geology tree wilderness plant leaf nature terrain trail wildlife trunk autumn flower ridge cliff boulder woodland mountain located east centre province dry bed river dinosaurs lived millions years fossils interesting ischigualasto found remains indigenous peoples' settlements petroglyphs argentina talampaya argentina peoples