Ключевые слова: architecture, black, black and white, bridge, building, cathedral, church, city, cityscape, cologne, deutschland, dom, editorial, eu, europe, german, germany, gothic, hohenzollern, hohenzollern bridge, hohenzollernbrcke, hohenzollernbrucke, hohenzollernbruecke, iron, kln, klner, klner dom, koeln, koelner, koelner dom, koln, kolner, kolner dom, landmark, peter, petrus, railroad, railway, rhein, rhine, river, saint, sankt, sankt petrus, st peter, steel, town, train, trains, transport, urban, water, white,