Mediating between iconic metaform and the human scale, this proposal by FAR frohn&rojas is one of the winners of the architectural competition for the new central library of the state of Berlin at the airfield of the former Tempelhof Airport in Berlin. By twisting a three dimensional grid from horizontal to vertical, the three key urban drivers of the site - the runway, the motorway and the former airport building - are resolved. More images and architects' description after the break.