Ключевые слова: america, american, architecture, blue, buildings, built, business, ca, california, center, city, cityscape, coit, district, downtown, financial, francisco, frisco, high, highrise, landmark, modern, office, perspective, rise, san, scenic, sky, skyline, skyscraper, states, street, structure, tall, touristic, tower, town, travel, trees, united, urban, us, usa, view, workplace,