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YouTubeGreat Structures
How Was the World's Deepest Gold Mine Built Mponeng Mine #curiosity #history #engineering
Would you dare to work nearly 4 kilometers (2.5 miles) beneath the Earth's surface? In this video, you'll discover the incredible Mponeng Gold Mine in South Africa, the deepest gold mine in the world and one of the greatest engineering achievements ever built underground. Learn how engineers excavated tunnels reaching almost 4 kilometers below ...
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