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A villager works at a cole flower field in Nangba Town, Lhasa, southwest China's Tibet Autonomous Region, July 2, 2019. (Xinhua/Jigme Dorje)

A villager works at a cole flower field in Nangba Town, Lhasa, southwest China's Tibet Autonomous Region, July 2, 2019. (Xinhua/Jigme Dorje)