The Gobi Desert is a vast, arid region in northern China and southern Mongolia. It's known for its dunes, mountains and rare animals such as snow leopards and Bactrian camels. In the Gobi Gurvansaikhan National Park, the Khongoryn Els sand dunes are said to sing when the wind blows. The park also features the deep ice field of Yolyn Am canyon. Dinosaur fossils have been found at the red "Flaming Cliffs" of Bayanzag.