Wohnhaus Huggerwald 7, Kleinlützel, Walderarchitects, Walder Architects, Walder, Martin Walder, Architects, Architects, Architekten, Arquitectes, Arquitectos, Architekt, Architect, Arquitecte, Arquitecto, Basel, Barcelona, Sabadell, Architektur, Architecture, Architectura, Concepts, Konzepte, Design, Architecture office, Architekturbüro