A worker harvests crude salt at a field in Haixing county of Cangzhou city, north China's Hebei Province, Sept. 28, 2022. (Photo: China News Service/Yang Kexin)
A worker harvests crude salt at a field in Haixing county of Cangzhou city, north China's Hebei Province, Sept. 28, 2022. (Photo: China News Service/Yang Kexin)
Workers harvest crude salt at a field in Haixing county of Cangzhou city, north China's Hebei Province, Sept. 28, 2022. (Photo: China News Service/Yang Kexin)
A worker harvests crude salt at a field in Haixing county of Cangzhou city, north China's Hebei Province, Sept. 28, 2022. (Photo: China News Service/Yang Kexin)