Ключевые слова: above, aerial, allegheny, america, american, architecture, bridge, building, buildings, city, cityscape, day, destination, district, downtown, exterior, landmark, landscape, location, middle class, modern, monongahela, neighborhood, north america, pa, pennsylvania, pittsburgh, pittsburgh bridge, river, rooftops, rust belt, scenery, scenic, sky, skyline, states, street, summer, sundown, sunset, tourism, town, travel, united states, urban, us, usa, view, working class,