The photo taken on Oct. 1, 2015 shows the scenery of Potatso National Park in Shangri-La county, southwest China's Yunnan Province. As the first national park on the Chinese mainland, Potatso was open to the public in 2007. The eco-environment of Potatso is well preserved with marsh, lakes, virgin forests, brooks, springs, and rare fauna and flora resources. (Xinhua/ Lu Boan)
