Ключевые слова: american, american perpendicular style, architecture, art, business, capital, cathedral, chicago, chicago tribune, city, cityscape, clock, commercial building, downtown, exterior design, famous, famous building fragments, gothic, historic, historic district, historical, history, iconic symbol, illinois, important, landmark, michigan avenue, national register, office building, office towers, old, perpendicular, sky scraper, skyline, skyscraper, skyscrapers, stone, street, style, symbol, tourism, tourist, tower, travel, tribune media, urban, usa, vintage, windy city, wrigley building,