Ключевые слова: america, architecture, bridge, building, chicago, city, cityscape, covid, district, downtown, editorial, elevated, empty, exterior, financial, illinois, industrial, isolation, landmark, metro, michigan, midtown, midwest, nobody, outdoor, outdoors, pandemic, public, railroad, railway, river, sky, skyline, skyscraper, station, street, structure, subway, tourism, tower, traffic, train, transport, transportation, travel, urban, usa,