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El Palmar National Park, Argentina El Palmar National Park, Argentina
Ischigualasto Formation, Argentina Ischigualasto Formation, Argentina
Valley of the Moon, Argentina Valley of the Moon, Argentina

Ischigualasto Formation, Argentina

Ischigualasto Formation, Argentina
Eroded rocks known as the Ischigualasto formation cover an area of about 50,000 hectares (about 120,000 acres) in the San Juan Province of Argentina. The area is nicknamed the Valley of the Moon because of its supposed resemblance to a lunar landscape. A variety of dinosaurs flourished here during the Triassic Period, making the area one of the richest paleological sites in the world.
Yann Arthus-Bertrand/Corbis
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