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During Alexander the Great's campaign in Punjab and the Western Himalayas, his army discovered the Khewra Salt Mine, now known as the second-largest salt mine in the world and the primary source of Himalayan pink salt.While resting in the Salt Range, Alexander's troops noticed their horses licking the rocks, which led to the discovery of vast salt deposits. This mine, located in the Potohar Plateau in Punjab, Pakistan, has been a significant source of salt since 326 BC and remains an important natural resource. Notably, this salt field is the largest in the world, and its salt mine is the second-largest in the world.Credits: Portal do mundo 🌍 #DidYouKnow #factsyoudidntknow #didyouknowthat