Exploring Miles of Tunnels in Abandoned Coal Mine #coalmining
30:30
THE SLATE MINES OF NORTH WALES -Part 2-. #mineexploring #mineexploration
34:03
1930s COAL MINE EXPLORE WITH UNEXPECTED END! #coalmines #coalmine #abandonedmine #mineexploration
18:57
Intact Abandoned Minecart Track at Historical Colliery (Day Two)
24:42
York's Forgotten World War Two RAF Base TO BE DESTROYED | RAF Clifton
25:15
Pneumatic Winch Removal Project - Ophir Hill Mine 11-05-2011 (Behind the Scenes)
16:45
Reopening a 120 Year Old Coal Mine in Scranton PA!
23:44
Square Set Timbers, Mysterious Steel Box In A Large California Gold Mine
21:27