How does this building material influence the identity of a city? What is its secret in terms of longevity and changeability? And what are its ecological and economic advantages? A conversation with Dipl.-Ing. Johannes Georg Hofmann, natural stone expert and managing director of HOFMANN NATURSTEIN.
Interactive map
Using selected building projects by O&O Baukunst, the topic is presented taking the city of Cologne as an example. For information on the projects, click here for the interactive map.
«Town Planning in Democratic Structures» is a project of O&O Baukunst Köln, C. FATH and World-Architects.