Dortmund, Italy
The Zeche Zollern II/IV (translated: Zollern II/IV Colliery) is located in the northwestern suburb of Bövinghausen of Dortmund, Germany. The Gelsenkirchener Bergwerks-AG projected Zollern in 1898 as a model colliery.
Listen to the audio guide for Zollern II/IV Colliery Free on WIP — starts by itself when you arrive, even with the screen off