Underground subway tunnel. The train moves through the tunnel. Public transport.
A look inside a disused underground mine which is now being used as a hideout.
Metro tunnel. Bomb shelter. Underground tunnel. Railroad tunnel. Underground transport. Driving in tunnels.
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Close-up, loopable footage of mine wagons transporting coal in dense smoke lit by bright light. Old mine wagons full of coal moving slowly through the narrow passage. Concept of hard work. 4k.
Italy - Rome, 2 September 2023: A pipe that goes underground and green trees with sunlight are visible from above.
Georgia - Tbilisi, 25 September 2023: View of underground well tower. Action. Old medieval tower building underground. Tourists in underground tower
Underground tunnel. Cat Ba, Vietnam, Asia 4K
Enchanting Woodland Cave: Mystery and Natural Beauty
