Completed in 2021 in Lübeck, Germany. Images by Hannes Heitmüller. On the site of the oldest merchants' quarter, Lübeck's founding quarter, which was heavily destroyed in World War II, gabled townhouses are being.
A team at Graz University of Technology has been able to 3D print concrete, bypassing the CO2 emissions that often accompany the production of this key building material.