The Khewra Salt Mine, here in the Punjab region of Pakistan, is the second largest salt mine in the world. The pink salt comes from remnants of ancient seabeds that crystallized 600 million years ago.

Known as Magnum Sal, or the Great Salt, it was once a vital economic resource for Poland. By the 13th century, the mine became the country's largest salt source, solidifying its importance.

Metal mines handle and dispose of some of the largest quantities of toxic chemicals in the country, and one of the biggest ...

KHEWRA, Pakistan, (AFP) - A centuries-old salt mine in Pakistan is offering experimental asthma therapy, attracting patients from all over the world. Khewra, billed as the world's second largest salt ...

Deep in the gut of the Picadilly Mine near Sussex, workers once laid off when potash prices shrank, are back underground, trying to keep up with the soaring demand for road salt to be spread on ...

Some connect its name to the Sindhu region. The salt mine located in Khewra, Jhelum district of Punjab province in Pakistan is the second largest salt mine in the world. About 450,000 tons of ...