Ключевые слова: 39, alcatraz, america, architecture, attraction, bay, beauty, blue, building, california, city, clouds, construction, famous, francisco, frisco, green, historic, holiday, icon, international, island, landmark, landscape, light, lighthouse, nature, ocean, orange, outdoor, pacific, people, pier, postcard, poster, red, san, sea, sky, structure, summer, sunrise, suspension, tourist, transportation, travel, usa, vacation, water, wood, wooden,