germanpostwarmodern:Apartment Building (1957-59) in Cologne, Germany, by Oswald Mathias Ungers
germanpostwarmodern:Apartment Building (1957-59) in Cologne, Germany, by Oswald Mathias Ungers -- source link
germanpostwarmodern:Apartment Building (1957-59) in Cologne, Germany, by Oswald Mathias Ungers -- source link