"Kolumba Kunstmuseum, Cologne, Germany, 1996 | Zumthor, consistently mindful of the use of the materials, and specifically their construction details, has used grey brick to unite the destroyed fragments of the site. These fragments include the remaining pieces of the Gothic church, stone ruins from the Roman and medieval periods, and German architect Gottfried Böhm's 1950 chapel for the ""Madonna of the Ruins."""
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