Diamond Building, housing Faculty of Engineering, University of Sheffield, Leavygreave Road, St. George's Quarter, Sheffield, Yorkshire, England

Apartments by Frank Gehry, Prospect Place, Battersea, London, England, United Kingdom, Europe

Tenement apartments at a Roma Gypsy Housing Estate In Plovdiv, Bulgaria

Solar village, Vauban, Freiburg im Breisgau, Baden-Wuerttemberg, Germany, Europe

Aerial picture, roof with solar panels, rotunda, Alt-Oer retirement home, Oer-Erkenschwick, Ruhr Area, North Rhine-Westphalia, Germany, Europe

Low energy houses in the Vauban district, designed for the EXPO 2010 in Shanghai, Freiburg, Breisgau, Baden-Wuerttemberg, Germany, Europe

Main Plaza, hotel tower, with reflective golden lace, architect Hans Kollhoff, Frankfurt am Main, Hesse, Germany, Europe

Aerial picture, roof with solar panels, rotunda, Alt-Oer retirement home, Oer-Erkenschwick, Ruhr Area, North Rhine-Westphalia, Germany, Europe

Low energy houses in the Vauban district, designed for the EXPO 2010 in Shanghai, Freiburg, Breisgau, Baden-Wuerttemberg, Germany, Europe