A farmer is seen in a field in Kangsar Village, Qamdo City of southwest China's Tibet Autonomous Region, Sept. 10, 2020. (Xinhua/Purbu Zhaxi)

A farmer is seen in a field in Kangsar Village, Qamdo City of southwest China's Tibet Autonomous Region, Sept. 10, 2020. (Xinhua/Purbu Zhaxi)

Farmers harvest highland barley in Kangsar Village, Qamdo City of southwest China's Tibet Autonomous Region, Sept. 10, 2020. (Xinhua/Purbu Zhaxi)

Farmers harvest highland barley in Kangsar Village, Qamdo City of southwest China's Tibet Autonomous Region, Sept. 10, 2020. (Xinhua/Purbu Zhaxi)

A farmer harvests highland barley in Kangsar Village, Qamdo City of southwest China's Tibet Autonomous Region, Sept. 10, 2020. (Xinhua/Purbu Zhaxi)

A view is seen against the foreground of highland barley in Laigu Village, Qamdo City of southwest China's Tibet Autonomous Region, Sept. 10, 2020. (Xinhua/Purbu Zhaxi)

Highland barley fields are seen in Laigu Village, Qamdo City of southwest China's Tibet Autonomous Region, Sept. 10, 2020. (Xinhua/Purbu Zhaxi)

Farmers harvest highland barley in Kangsar Village, Qamdo City of southwest China's Tibet Autonomous Region, Sept. 10, 2020. (Xinhua/Purbu Zhaxi)

A view is seen against the foreground of highland barley in Laigu Village, Qamdo City of southwest China's Tibet Autonomous Region, Sept. 10, 2020. (Xinhua/Purbu Zhaxi)