The 3rd International Holcim Awards for sustainable construction projects from across Europe were recently announced at a ceremony in Milan, with the German architectural firm realities:united taking first prize for its Flussbad proposal. We’re talking transforming a strech of the River Spree in central Berlin into a 745 meter “swimming pool”, purified naturally by a an upper 1.8-hectare reed bed. Via gizmag.com
(image: united:realities, cc by-nc-nd 3.0)
