Title: Arbeiten an Zollverein
Subjects: Buildings, structures, Mine buildings, Conservation and restoration, Industrial Architecture, Industrielle Kulturlandschaft Zollverein (Essen, Germany), Coal mines and mining, Buildings, Remodeling for other use
Places: Germany, Essen, Zollverein Mine (Germany), Essen (Germany), Zollverein Mine
People: Hans Krabel, Heinrich Böll (1940-)