Ключевые слова: abstract, architectural, architecture, background, blue, building, business, cloudy sky, construction, contemporary, corporative, daylight, design, detail, downtown, element, exterior, facade, financial, fragment, frame, futuristic, geometric, glass, industrial, line, lines, material, metal, mirror, modern, office, pattern, perspective, reflection, sky, skyscraper, squares, steel, structure, sun, surface, tall, technology, the city, urban, view, wall, window, windows,