the weltstadthaus, housing a department store in cologne, germany.

altstadt apartments architectural architecture building cacilienstrasse city cloppenbur cologne commercial construction design dome estate europe exterior german germany glass house houses innerstad koln landmark line luxury modern monument neukollner noordrijn office old oldcity peek piano renzo residential ship stadthaus tourism town travel vector view walfisch weltstadthaus westfalen whale windows housing department store black designed germany