می 5, 2019

Salt, an essential element for all animal life, is abundant here on Earth, but it still requires extraction from stone ... ادامه مطلب

People collect blocks of salt from the salt pan of Ethiopia’s Danakil depression, on January 29, 2007. Generations of Afar ... ادامه مطلب

A laborer works at a salt production factory in Nangqian county, northwest China’s Qinghai province, on July 24, 2007. یک ... ادامه مطلب

Pools of mineral-colored water gathered on salt flats in holes dug by salt collectors on the Senegalese coastline near the ... ادامه مطلب