Villagers enjoy watermelon slices during a break in Waba Village of Ra'og Town of Qamdo City, southwest China's Tibet Autonomous Region, Sept. 4, 2023. (Xinhua/Sun Fei)

A villager bundles highland barley in Waba Village of Ra'og Town of Qamdo City, southwest China's Tibet Autonomous Region, Sept. 4, 2023. (Xinhua/Sun Fei)

This aerial photo taken on Sept. 4, 2023 shows villagers harvesting highland barley in Waba Village of Ra'og Town of Qamdo City, southwest China's Tibet Autonomous Region. (Photo by Tenzin Nyida/Xinhua)

Villagers load highland barley onto a tractor in Waba Village of Ra'og Town of Qamdo City, southwest China's Tibet Autonomous Region, Sept. 4, 2023. (Xinhua/Sun Fei)

A villager driving a tractor transports highland barley in Waba Village of Ra'og Town of Qamdo City, southwest China's Tibet Autonomous Region, Sept. 4, 2023. (Xinhua/Sun Fei)

This aerial photo taken on Sept. 4, 2023 shows the farmland along the Ra'og Lake in Qamdo City, southwest China's Tibet Autonomous Region. (Xinhua/Sun Fei)

A villager bundles highland barley in Waba Village of Ra'og Town of Qamdo City, southwest China's Tibet Autonomous Region, Sept. 4, 2023. (Photo by Tenzin Nyida/Xinhua)

Villagers harvest highland barley in Waba Village of Ra'og Town of Qamdo City, southwest China's Tibet Autonomous Region, Sept. 4, 2023. (Xinhua/Sun Fei)

This aerial photo taken on Sept. 4, 2023 shows the farmland along the Ra'og Lake in Qamdo City, southwest China's Tibet Autonomous Region. (Xinhua/Sun Fei)

Villagers harvest highland barley in Waba Village of Ra'og Town of Qamdo City, southwest China's Tibet Autonomous Region, Sept. 4, 2023. (Photo by Tenzin Nyida/Xinhua)

A villager bundles highland barley in Waba Village of Ra'og Town of Qamdo City, southwest China's Tibet Autonomous Region, Sept. 4, 2023. (Photo by Tenzin Nyida/Xinhua)