Ключевые слова: aerial, america, american, architecture, bay area, california, cityscape, colorful, crooked, crookedest, destination, dusk, famous, frisco, high angle, hill, historic, horizon, illuminated, landmark, landscape, lombard, long exposure, nature, north america, northern california, red, road, russian hill, san francisco, scenic, sky, skyline, steep, street, sunset, tourism, travel, united states, urban, usa, view, west coast, winding, windy, zig zag,