Date: 2016, Number of photos: 34, © Photos: sdg21
Project Info: http://sdg21.eu/db/plusenergiehaus-ausstellung-koeln-frechen
Planning: ; Topics: ; Type: Settlement; Location: Cologne
Date: 2016, Number of photos: 34, © Photos: sdg21
Project Info: http://sdg21.eu/db/plusenergiehaus-ausstellung-koeln-frechen