Zeche Zollverein is an industrial complex in Essen, Germany. Shaft 12, built in the 1930s in the Bauhaus style, has been called the "most beautiful coal mine in

Zeche Zollverein is an industrial complex in Essen, Germany. Shaft 12, built in the 1930s in the Bauhaus style, has been called the "most beautiful coal mine in the world": https://en.wikipedia.org/wiki/Zollverein_Coal_Mine_Industrial_Complex https://en.wikipedia.org/wiki/Zollverein_Coal_Mine_Industria... https://en.wikipedia.org/wiki/Zollverein_Coal_Mine_Industrial_Complex#/media/File:Essen_-_Zeche-Zollverein_-_Eingangstor_-_2013.jpg https://en.wikipedia.org/wiki/Zollverein_Coal_Mine_Industria...