Farmers work in the farmland in Lhasa river valley in Lhasa, southwest China's Tibet Autonomous Region, Sept. 9, 2020. (Xinhua/Purbu Zhaxi)
Aerial photo taken on Sept. 9, 2020 shows a view of farmland in Lhasa river valley in Lhasa, southwest China's Tibet Autonomous Region. (Xinhua/Purbu Zhaxi)
Aerial photo taken on Sept. 9, 2020 shows a view of farmland in Lhasa river valley in Lhasa, southwest China's Tibet Autonomous Region. (Xinhua/Purbu Zhaxi)
Aerial photo taken on Sept. 9, 2020 shows a view of farmland in Lhasa river valley in Lhasa, southwest China's Tibet Autonomous Region. (Xinhua/Purbu Zhaxi)
