Ключевые слова: architecture, bridge, building, building exterior, buildings, business, capital cities, city, city life, city skyline, cloud, cloudscape, concept, construction industry, dawn, design, district, downtown, dramatic sky, dusk, electric, energy, engineering, evening, famous place, global, high, highway, illinois, industry, information, lake, metropolis, modern, night, no people, office, outdoors, rooftop, sky, skyline, skyscraper, sun, sunlight, sunrise, sunset, tower, town, urban, view,