Photo taken on Aug. 7, 2015 shows prayer flags at the bank of the holy Lake Manasarovar in Zhada County of Ngari Prefecture, southwest China's Tibet Autonomous Region. (Xinhua/Liu Dongjun)

　　Photo taken on Aug. 8, 2015 shows actors dressed in traditional Tibetan costumes preparing to perform Xuan Dance in Zhada County of Ngari Prefecture, southwest China's Tibet Autonomous Region. Xuan Dance, a national intangible cultural heritage of China, is a kind of folk art consisting of different styles including Tibetan Opera, singing and speaking. (Xinhua/Liu Dongjun)

　　Photo taken on Aug.7, 2015 shows a mountain scenery in Burang County of Ngari Prefecture, southwest China's Tibet Autonomous Region. (Xinhua/Liu Dongjun)

　　Photo taken on Aug. 7, 2015 shows the sacred Mount Kangrinboqe and prayer flags at the foot of the mountain in Burang County of Ngari Prefecture, southwest China's Tibet Autonomous Region. (Xinhua/Liu Dongjun)

　　Photo taken on Aug. 8, 2015 shows a part of the Zhada Earth Forest illuminated in the sunrise in Zhada County of Ngari Prefecture, southwest China's Tibet Autonomous Region. (Xinhua/Liu Dongjun)