What happens 3,000 feet beneath the Earth's surface?
Go deep underground and discover how miners extract coal from some of the deepest and most challenging mining environments. Known as “Black Diamond,” coal has been mined for generations, but the process of reaching and transporting it from deep underground is an incredible journey.
Explore underground mining tunnels, powerful mining machinery, mine trains, coal extraction, and the demanding work of miners deep beneath the Earth.
This fascinating mining documentary reveals what happens behind the scenes of deep underground coal mining.
Watch until the end to discover how coal makes its journey from thousands of feet underground to the surface.
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