Staff members operate drones in a field in Siying Township in Botou, north China's Hebei Province, March 12, 2020. (Xinhua/Mu Yu)
Spring farming underway in Hebei
Source: Xinhua| 2020-03-13 07:35:41|Editor: huaxia
Staff members operate drones in a field in Siying Township in Botou, north China's Hebei Province, March 12, 2020. (Xinhua/Mu Yu)
