Ключевые слова: aerial, america, architecture, background, building, buildings, business, chicago, city, cityscape, clouds, commercial, concept, contemporary, dark, downtown, evening, exterior, famous, high, horizon, illinois, landmark, landscape, light, lights, night, office, panorama, reflection, scene, sky, skyline, skyscraper, street, top, tower, traffic, twilight, urban, usa, view,