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Aerial photo taken on April 12, 2018 shows a drone spraying pesticide in wheat fields in Jinghe Town, Hejian City of north China's Hebei Province. (Xinhua/Zhu Xudong)
Drone sprays pesticide in wheat fields, north China
Source: Xinhua| 2018-04-12 18:44:19|Editor: Liangyu
