Aerial photo taken on Sept. 27, 2022 shows employees working at the Changlu Daqinghe saltworks in Tangshan, north China's Hebei Province.(Photo: Xinhua)
Aerial photo taken on Sept. 27, 2022 shows salt harvested at the Changlu Daqinghe saltworks in Tangshan, north China's Hebei Province.(Photo: Xinhua)
Aerial photo taken on Sept. 27, 2022 shows employees working at the Changlu Daqinghe saltworks in Tangshan, north China's Hebei Province.(Photo: Xinhua)
Aerial photo taken on Sept. 27, 2022 shows employees working at the Changlu Daqinghe saltworks in Tangshan, north China's Hebei Province.(Photo: Xinhua)