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Aerial photo taken on June 17, 2018 shows farmers working in a field in Tancheng County of Linyi City, east China's Shandong Province. (Xinhua/Zhang Chunlei)
Aerial photo taken on June 17, 2018 shows farmers working in a field in Tancheng County of Linyi City, east China's Shandong Province. (Xinhua/Zhang Chunlei)