Aerial photo taken on Nov. 28, 2020 shows an employee working in the Changlu Daqinghe saltworks in Tangshan City, north China's Hebei Province. (Photo by Liu Mancang/Xinhua)
Employee works in Changlu Daqinghe saltworks in Hebei
Source: Xinhua| 2020-11-28 16:58:24|Editor: huaxia