Photo taken on Nov. 26, 2019 shows the scenery at the foot of Mount Namjagbarwa in Nyingchi, southwest China`s Tibet Autonomous Region. (Xinhua/Li Zhenyu)

Tourists walk at the foot of Mount Namjagbarwa in Nyingchi, southwest China`s Tibet Autonomous Region, Nov. 26, 2019. (Xinhua/Li Zhenyu)

Cattle graze at the foot of mountains in Nyingchi, southwest China`s Tibet Autonomous Region, Nov. 26, 2019. (Xinhua/Hou Jie)

Photo taken on Nov. 26, 2019 shows the scenery at the Mount Namjagbarwa and Yarlung Zangbo River Grand Canyon in Nyingchi, southwest China`s Tibet Autonomous Region. (Xinhua/Hou Jie)

A farmer works in fields in Nyingchi, southwest China`s Tibet Autonomous Region, Nov. 26, 2019. (Xinhua/Li Zhenyu)

Photo taken on Nov. 26, 2019 shows the scenery at the foot of Mount Namjagbarwa in Nyingchi, southwest China`s Tibet Autonomous Region. (Xinhua/Hou Jie)