Demolishing a Factory Chimney

Look out below! Vivid scenes of toppling chimneys, with crowds enjoying watching the spectacle from a safe(ish) distance

It's a demolition derby, as two giant industrial chimneys come crashing down to earth. Although this is dynamite footage, no explosives are used - the chimneys are shored up by pit props which are then set aflame. The scurrying figures from the base of the chimney in the first scene offer a real sense of the scale of events.