Ключевые слова: apartment, architecture, avenue, bridge built structure, building exterior, canal, chicago, chicago loop, chicago river, city, city street, cityscape, cloudscape, cruise, downtown district, famous place, horizontal, hotel, illinois, leisure activity, low angle view, metal, midwest usa, mode of transport, modern, motorboating, nautical vessel, no people, office building exterior, ohio, outdoors, recreational pursuit, relaxation, river, sailing, scenics nature, sky, skyscraper, steel, stone material, street, sun, sunlight, tourism, tranquil scene, transportation, travel, tree, urban skyline, usa, water, waterfront, wide angle, window,