On the small Gongga Mountain in the east of the Aden Nature Reserve, there are three snow-capped mountains that go straight to the sky: Xian Nairi, Yang Maiyong, Xian Nairi, Beifeng Xian Nairi, at an altitude of 6032 meters, Nanfeng Yang Maiyong and Dongfeng Xian Naiduoji, at an altitude of 5958 meters, and the three peaks are arranged in a north-south direction. Collectively, it is called "Nianqing Gongga Risong Gongbu", which means: three sacred places of protection of the Fa Shenshan that are not covered by snow throughout the year. Tibetan Buddhism calls it "the main snow mountain of Sanyu", which is a sacred place in the hearts of Tibetans.