Ключевые слова: america, american, architecture, bay, building, business, california, car, center, city, cityscape, district, downtown, financial, francisco, hill, historic, house, landmark, modern, office, old, outdoor, pyramid, san, scenery, sky, skyline, skyscraper, states, street, sunny, tourism, tourist, tower, traffic, transamerica, transport, transportation, united, urban, usa, view,