English: Dortmund, Germany: Main portal of the machine hall at Zollern II/IV Colliery, today a museum and listed monument of the industrial heritage. The gate is a jewel of German Art Nouveau.
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This photo was created by Uwe Aranas. It is protected by law and is not in the Public Domain. However, it can be used free of charge by everyone under the terms of the license stated below.
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{{Information |Description={{en|Castrop-Rauxel, Germany: Zeche Zollern, a former coal mine. Today a museum and listed monument}} |Source={{own}} |Date=2014-02-17 |author=CEphoto, Uwe Aranas |permission= |other_versions= |other_fields...