Khewra Salt Mine is located at the foothills of salt ranges, in the region of Punjab. They are regarded as the 2nd largest salt mines all across the world, and are considered as most ancient antiquity in the history of the subcontinent. Going as far back as 600 million years. The Rock Salt comes from crystallized remnants of ornate sea beds that were naturally accumulated and preserved over the centuries. With a cumulative thickness of 150 meters, there are 7 thick salt seams, from where salt is extracted in irregular dome-like structures. Inside the mine there are delicate bands of different colors of salt; ranging from transparent white to pink, reddish and carmine color solid rocks, it captures the attention of tourists and visitors of daily accounts. Around 98% of salt that is obtained from Khewra Mines is pure. There are a total 17 levels of Khewra mine: 5 levels are above the ground, 11 are situated below the ground level and 1 level constitutes the ground floor itself.