Mining, Underground, Underground mining, World’s deepest, World’s most, Source
World deepest (4,1 km below surface) mine is Mponeng Gold Mine, South Africa
Category: World’s deepest
World deepest (4,1 km below surface) mine is Mponeng Gold Mine, South Africa
Mining, Underground, Underground mining, World’s deepest, World’s most
World deepest (4,1 km below surface) mine is Mponeng Gold Mine, South Africa
Mining, Underground, Underground mining, World’s deepest, World’s most
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