Ключевые слова: aerial, america, apartment, architecture, birds, blue, bridge, building, business, chicago, city, cityscape, clouds, contemporary, day, district, downtown, green, high, hotel, illinois, lake, lakefront, landmark, landscape, lincoln, michigan, midwest, modern, nature, office, park, road, sky, skyline, skyscraper, steel, structure, tall, tourism, tower, travel, trees, united, urban, usa, view, water,