A farmer operates a drone to spray pesticide at Chaoguan Village of Cixian County, north China's Hebei Province, on March 19, 2019. (Xinhua/Hao Qunying)
Farmers work in fields across China
Source: Xinhua| 2019-03-19 21:03:55|Editor: Yurou
A farmer operates a drone to spray pesticide at Chaoguan Village of Cixian County, north China's Hebei Province, on March 19, 2019. (Xinhua/Hao Qunying)
