Ключевые слова: america, american, apartment, architecture, blue, building, buildings, business district, city, city center, cityscape, corporations, downtown, exterior, financial district, high, high rise, highrise, life, metropolitan, modern, north america, office, office buildings, outdoor, pa, pennsylvania, philadelphia, philadelphia county, philly, road, scenic, scullykillm river, sky, skyline, skyscraper, skyscrapers, style, symbol, tall, tourist, tower, towers, town, travel destinations, united states, urban, usa, view,