Case Study - Kolumba Museum, Peter Zumthor, Cologne, 2007 Case Study - Kolumba Museum, Peter Zumthor, Cologne, 2007 Case Study - Kolumba Museum, Peter Zumthor, Cologne, 2007

interior view of the excavation hall, the circulation corridor and the gallery space of the Kolumba Museum, Peter Zumthor, Cologne, 2007