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Aerial photo taken on March 26, 2019 shows a farm machinery operating in a field in Jiazhai Town of Chiping County, east China's Shandong Province. (Xinhua/Zhao Yuguo)
Aerial photo taken on March 26, 2019 shows a farm machinery operating in a field in Jiazhai Town of Chiping County, east China's Shandong Province. (Xinhua/Zhao Yuguo)