Ключевые слова: advertisement, american culture, beautiful, beauty in nature, blue sky, bright, business, california, city, city life, cityscape, collection, day, design, fisherman s wharf, flag, holiday, image, journey, morning, no people, north beach, on top of, outdoors, photograph, pier 39, relaxation, roof, san francisco bay area, san francisco county, sea, sf, sfc, sunlight, tourism, traditional culture, travel, travel destinations, travel locations, urban scene, usa, vacations, wallpaper pattern, western usa,