Ключевые слова: america, architecture, bay, building, building exterior, buildings, business, california, city, cityscape, commercial, construction, crane, development, district, downtown, downtown district, dusk, finance, financial, financial district, fremont, modern, new construction, office, office building, salesforce, san francisco, sf, skyline, skyscraper, structure, tall, tower, travel, urban, usa, waterfront,