亚洲91视频,国产91网,久久久久久久久久久久久久久国产,亚洲一区二区三区日本久久九,亚洲日本久久,国产精品久久久99,亚洲欧美一区二

Home / Culture / Heritage

Oldest method of salt production seen in Tibet

Updated: 2015-03-24 07:00 Comments

Oldest method of salt production seen in Tibet

A villager works on salt pans in Markam county, Southwest China's Tibet autonomous region, March 21, 2015. [Photo/Xinhua]

Most Popular
...