Ключевые слова: america, american city, architecture, area, background, bay, building, business, california, chocolate, city, commercial, construction, design, development, downtown, editorial, engineering, equipment, food, francisco, ghirardelli sign, high, horizontal, industrial, industry, landmark, landscape, maker, metal, restaurant, san, san francisco, scaffolding, sight seeing, sky, square, states, steel, store, structure, tower, travel, united, urban, usa, vacation, view, walking, world famous,