Drones spray agricultural chemicals containing both pesticide and fertilizer for rape blossoms in the fields in Dongbaihu Township of Zhuji City, east China's Zhejiang Province, March 7, 2017. (Xinhua/Xu Dewen)
RIGHT BG
Drones spray agricultural chemicals containing both pesticide and fertilizer for rape blossoms in the fields in Dongbaihu Township of Zhuji City, east China's Zhejiang Province, March 7, 2017. (Xinhua/Xu Dewen)