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Black-necked cranes are seen in Nyingchi, southwest China's Tibet Autonomous Region, March 26, 2021. Nyingchi is located in the lower reaches of the Yarlung Zangbo River. With an average elevation of 3,100 meters, Nyingchi has one of the best well-protected virgin forests in China, with a forest coverage rate of 53.6 percent. In the past five years, Nyingchi has received 32 million tourist trips and made a tourism revenue of over 24 billion yuan (about 3.69 billion U.S. dollars). (Photo by Zhang Ning/Xinhua)
