dirt road with footprints arid, hot and desertic place in the cayon de talampaya rich in fossils dinosaurs triassic era argentina

dirt road footprints arid hot desertic place cayon talampaya rich fossils dinosaurs triassic era argentina landscape badlands plateau soil wadi valley geology rock terrain desert mountain canyon wilderness hill formation cliff butte plain national park located east centre rioja province dry bed river lived millions years interesting ischigualasto found remains indigenous peoples' settlements petroglyphs puerta del cañón may 2020 argentina