Ключевые слова: america, american, building, california, car, centre, city, cityscape, crookedest, downtown, eastwest, francisco, freeway, hairpin, hill, historic, landmark, landscape, lombard, panorama, people, rotation, route, san, skyline, states, steep, street, streetcar, swing, thoroughfare, tourism, tourist, town, travel, trip, turn, turning, turns, twist, united, urban, us, usa, view, western, winding, world,