Aerial photo taken on June 23, 2019 shows workers shoveling crude salt in Salt Lake in Yuncheng, north China's Shanxi Province. Salt Lake of Yuncheng, a famous inland salt lake in China, entered into the harvest season for salt. (Photos: Xinhua)

Aerial photo taken on June 23, 2019 shows workers shoveling crude salt in Salt Lake in Yuncheng, north China's Shanxi Province. Salt Lake of Yuncheng, a famous inland salt lake in China, entered into the harvest season for salt.

Aerial photo taken on June 23, 2019 shows workers shoveling crude salt in Salt Lake in Yuncheng, north China's Shanxi Province. Salt Lake of Yuncheng, a famous inland salt lake in China, entered into the harvest season for salt.