Ключевые слова: america, architecture, bridge, building, buildings, business, city, cityscape, downtown, dusk, evening, financial district, glow, glowing, illumination, landmark, landscape, lights, metropolis, metropolitan, modern, monongahela, night, office, office buildings, outdoors, pa, panorama, pennsylvania, pittsburg, pittsburgh, river, riverbank, riverfront, shiny, sky, skyline, skyscraper, street, tourism, towers, town, travel, twilight, united states, urban, us, usa, water, waterfront,