Ключевые слова: america, architectural, architecture, blue sky, building, city, cityscape, coastline, day, daylight, daytime, expressway, exterior, freeway, high rise, highway, horizontal, interstate, metropolitan, mid atlantic, panorama, panoramic, pennsylvania, philadelphia, river, road, roadway, scenic, schuylkill river, shoreline, skyline, skyscraper, street, sundown, sunset, tall building, urban, water, wide,