Ключевые слова: america, architecture, blue, bridge, building, business, city, cityscape, contemporary, dark, district, downtown, dusk, evening, expressway, financial district, highway, landmark, light, metropolis, metropolitan, modern, national, night, nightscape, pennsylvania, philadelphia, philly, reflection, river, scene, scenery, scenic, schuylkill, schuylkill river, sky, skyline, skyscraper, states, structure, sunset, tourism, tourist, town, travel, twilight, united, urban, urban scene, usa,