Ключевые слова: architecture, blue, bridge man made structure, building exterior, built structure, canal, canal lock, city, city life, cityscape, cloud sky, color image, commercial dock, construction industry, day, electricity, environment, europe, factory, freight transportation, fuel and power generation, germany, harbor, industry, metal, mode of transport, nature, nautical vessel, netherlands, no people, ostend belgium, outdoors, people, pier, pollution, power line, railroad track, reflection, river, road, sky, station, steel, street, traffic, train, transportation, travel, urban scene, water,