Ключевые слова: abstract, apartment, architecture, art, blue, blue sky, building, business, center, city, city landscapes, cityscape, construction, day, design, district, downtown, dutch, europe, exterior, facade, famous places, geometric, harbor, holland, house, landmark, line, living, mathematic, mathematical, modern, modern architecture, netherlands, office, outdoor, perspective, residential, rotterdam, shape, sky, skyscraper, structure, summer, tall, tower, town, unique buildings, urban, window,