The underground Khewra Salt Mine (or Mayo Salt Mine) is Pakistan’s largest and oldest salt mine and the world’s second-largest salt mine. Also, it is a major tourist attraction, visited up to 250,000 visitors a year.
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The underground Khewra Salt Mine (or Mayo Salt Mine) is Pakistan’s largest and oldest salt mine and the world’s second-largest salt mine. Also, it is a major tourist attraction, visited up to 250,000 visitors a year.
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