Photo taken on Sept. 4, 2017 shows the Mount Kangrinboqe and Mapam Yumco Lake in Burang County of Ngari Prefecture, southwest China's Tibet Autonomous Region. (Xinhua/Liu Dongjun)

Photo taken on Sept. 6, 2017 shows the Mount Kangrinboqe in Burang County of Ngari Prefecture, southwest China's Tibet Autonomous Region. (Xinhua/Liu Dongjun)

Photo taken on Sept. 4, 2017 shows the Mount Naimona Nyi and Mapam Yumco Lake in Burang County of Ngari Prefecture, southwest China's Tibet Autonomous Region. (Xinhua/Liu Dongjun)