cologne cathedral

architectural architecture blue bridge building cathedral catholic central chapel christian christianity church city cityscape cologne cultural dark deutschland dom dusk europe european evening famous german germany golden gothic heritage historic historical hohenzollern horizontal illuminated illumination innenstadt koeln koelner koln kolner kln klner landmark landscape light maria monument monuments night nordrheinwestfalen old outdoor panorama reflection religion rhein rheinland rhine rhineland river romanesque sightseeing sky skyline square steeple street sunset symbol tourism tower town tradition travel unesco urban water world