Smart concrete, natural clay – and good architecture

“Heating with concrete, cooling with clay” – the provocative title of the second discussion round with German winners of the Holcim Awards again attracted more people than the lecture theatre could accommodate at the Aedes Architekturforum in Berlin. Some 130 people including a group of guests from Holcim Southern Germany showed interest in learning more about the “Smart Material House” in Hamburg and an educational center for sustainability in Marrakesh, Morocco.