History of the Great Wall of China the three, China's chief concern since the earliest times had been Mongolia – the home of many of the country's fiercest enemies including the Xiongnu, the Xianbei, the Khitans, and the Mongols. The Gobi Desert, which accounts for two-thirds of Mongolia's area, divided the main northern and southern grazing lands and pushed the pastoral nomads to the fringes of the steppe. On the southern side (Inner Mongolia), this pressure brought the nomads into contact with China. For the most part, barring intermittent passes and valleys (the major one being the corridor through Zhangjiakou and the Juyong Pass), the North China
Gobi Gurvansaikhan National Park The park lies on the northern edge of the Gobi desert. The higher elevations contain areas of steppe, and reach elevations of up to 2,600 meters. A number of rare plants and animals are found in the park, including the elusive snow leopard and the Gobi camel. Areas of sand dunes are found, most famously the Khongoryn Els - the Singing Sands. Another major tourist destination is Yolyn Am, which is connected with Dalanzadgad by paved road and a mountain valley that contains a large ice field through most of the year. The park is usually accessed via the town