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Aerial photo taken on Oct. 11, 2018 shows farmers airing newly-harvested grains in Ganzhou District of Zhangye City, northwest China's Gansu Province. (Xinhua/Wang Jiang)
Aerial photo taken on Oct. 11, 2018 shows farmers airing newly-harvested grains in Ganzhou District of Zhangye City, northwest China's Gansu Province. (Xinhua/Wang Jiang)