21 Jul 2007, Inner Mongolia, China --- The Ergune River runs through the Hulun Buir Grassland in north China's Inner Mongolia Autonomous Region. The Hulun Buir Grassland is one of the world's most famous grasslands. Hulun Buir League, on the Grassland, covers an area of 250,000 square kilometers and is inhabited by 36 ethnic groups of Mongolian, Daur, Ewenk, Oroqen and Russia origin. Thanks to its moderate climate, the grassland, with more than 3,000 rivers and 500 lakes, has become a popular summer resort for tourists. --- Image by © Li Xin/Xinhua Press/Corbis