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Quarry/Mine

Slate Quarry

An abandoned underground slate quarry with enourmous caverns, tracks and old rusty winches

Les Catacombes de Paris

What more do I need to say? The Paris Catacombs are the underground Walhalla for most explorers. Over 300km of old tunnels …

Limestone Quarry

Here’s one we’ve been thinking of doing for a long, long time now. Under the Belgian/Dutch border lie hundreds and hundreds and …