GMP Architekten revamps "cityscape-defining" swimming pool in Hamburg

German studio GMP Architekten has refurbished and extended Alsterschwimmhalle, a swimming pool in Hamburg with a distinctive double-curved concrete roof.

After being forced to close during the coronavirus pandemic, Alsterschwimmhalle has been transformed into a multipurpose leisure complex with a sauna and fitness club.

GMP Architekten's overhaul ensures the focal point of the structure remains its heritage-listed roof, which...