of koln

hahnentorburg architecture deutschland destination illuminated horizontal historical background skyscraper westphalia silhouette nighttime lettering cathedral cityscape panoramic landscape hahnentor european building downtown panorama language landmark colonius concept cologne germany skyline graphic placard tourist tourism scenery vector linear design famous unique german europe travel hahnen scape urban koeln tower north rhine house black night koln dark card city line text logo town word hall gate tour sky art old