Vals, Switzerland Peter Zumthor contributed by: MI_MOA
Wachendorf, Germany Peter Zumthor contributed by: HJI
Cologne, Germany Peter Zumthor contributed by: MI_MOA
Cologne, Germany Oswald Mathias Ungers contributed by: Naomi
Cologne, Germany Renzo Piano contributed by: Thomas_Boegl
Essen, Germany SANAA contributed by: MI_MOA
Essen, Germany OMA - Rem Koolhaas contributed by: Naomi
Cologne, Germany BRT Architekten contributed by: Bjorn_Utpott
Cologne, Germany Busmann + Haberer contributed by: Naomi
