Ключевые слова: abstract, architecture, blue, building, building activity, building appearance, business, center, city, cityscape, commercial, concept, construction, contemporary, corporate, district, downtown, estate, exterior, facade, financial center, futuristic, glass, high, housing development, light, metal, mirrors, modern, office, office building, outdoors, pattern, reflection, sky, skyscraper, steel, tall, tower, urban, wall, wealth, window,