Ключевые слова: 30th, 30th street station, america, architecture, building, buildings, business, center, city, cityscape, commuter, commuters, dawn, district, downtown, evening, exterior, financial, golden, landmark, modern, office, office building, outdoors, pa, pennsylvania, philadelphia, philly, platform, scenery, scenic, sightseeing, sky, skyline, skyscraper, states, station, street, sunrise, sunset, tower, train, transportation, travel, united, united states, urban, usa, view,