Getty Images; Tyler Le/BI
For Brian Burdick, working at 82 has been one of life's most surprising joys.
Getty Images; Tyler Le/BI
For Brian Burdick, working at 82 has been one of life's most surprising joys.
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Himalayan pink salt sells for premium prices in the US and Europe, but in Pakistan's Khewra mine, workers risk their lives blasting it out for a fraction of the profit. We went inside one of the world's largest salt mines and nearby factories to see how it's really made.