Ключевые слова: allegheny, america, american, apartments, architecture, bridge, buildings, business, city, cityscape, clouds, day, daytime, district, downtown, famous, financial, high rises, landmark, landscape, location, modern, monongahela, northeast, offices, ohio, pa, pennsylvania, pittsburgh, place, reflection, river, scene, scenery, scenic, skyline, skyscrapers, three rivers, tourism, town, travel, united states, urban, usa, view, water,