The world-famous Changbai Mountains, the source of the Tumen, Yalu, and Songhua rivers, are one of the most beautiful areas in China. Endowed with rich natural resources and charming scenery, the mountains are dotted with scenic spots. A nature preserve has been established here to protect the area's animals and plants. Together with the nature preserves in Wolong of Sichuan province and Dinghu Mountain of Guangdong Province, it has become a base for international scientific research into China's indigenous wildlife.  (Source: China.org.cn)