salt-800px-yangpu_ancient_salt_field_-_hainan_-_01

salt-800px-yangpu_ancient_salt_field_-_hainan_-_01

Stones cut flat for evaporating seawater to extract salt. Yangpu Ancient Salt Field archeological heritage site in Yantian village, Yangpu Peninsula, Hainan, China. Wikipedia Commons

December 29, 2016 6:11 PM (UTC+8)