Norman Foster, one of the most consistent advocates of architecture based on modern technology, achieved a world-wide reputation with the headquarters for the Hong Kong and Shanghai Banking Corporation in Hong Kong, Stansted Airport in London, Century Tower in Tokyo and his telecommunications tower in Barcelona. His most important projects in Germany are the conversion of the Reichstag building in Berlin and the new Commerzbank headquarters in Frankfurt am Main. The Commerzbank building, situated in the middle of the city centre, promises to be an exceptional complex not only architecturally, but also in terms of energy consumption. The plan of the building, which, including the aerial, is almost 300 m high, is triangular in form with slightly concave sides. Within the transparent tower gardens totalling 3300 sqm are set aside in a spiral configuration, stepping up throughout the building as 14 m high climate buffers. The office floors are combined to create so-called villages | Norman Foster: Commerzbank Frankfurt am Main (Opus 21) by Volker Fischer, Hardcover | Indigo Chapters