Aerial photo taken on Oct 15, 2020 shows workers producing salt amid salt ponds in Luannan county, North China's Hebei province. [Photo/Xinhua]
A worker produces salt at a salt pond in Luannan county, North China's Hebei province, Oct 15, 2020. [Photo/Xinhua]
Aerial photo taken on Oct 15, 2020 shows workers producing salt amid salt ponds in Luannan county, North China's Hebei province. [Photo/Xinhua]
Aerial photo taken on Oct 15, 2020 shows workers producing salt amid salt ponds in Luannan county, North China's Hebei province. [Photo/Xinhua]
Aerial photo taken on Oct 15, 2020 shows workers producing salt amid salt ponds in Luannan county, North China's Hebei province. [Photo/Xinhua]
Aerial photo taken on Oct 15, 2020 shows a vehicle driving through salt ponds in Luannan county, North China's Hebei province. [Photo/Xinhua]
