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
Aerial photo taken on July 24, 2019 shows the terraced lands in Zhongchuan Town of Huining County, northwest China's Gansu Province. (Xinhua/Ma Ning)
Aerial photo taken on July 24, 2019 shows the terraced lands in Zhongchuan Town of Huining County, northwest China's Gansu Province. (Xinhua/Ma Ning)