of cologne

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