Ключевые слова: america, american, architecture, black, building, business, chicago, chicagoland, city, cruise, cruising, design, destination, district, downtown, exterior, financial district, glass, highrise, il, illinois, landmark, metropolis, midwest, modern, north, office, panorama, place, real, reflection, sears, sears tower, skyline, skyscraper, states, steel, sunset, tall, tallest, tourism, tower, travel, ua, united, urban, usa, wacker, wide angle, willis,