Ключевые слова: america, american, architecture, attraction, blue, boston, building, center, city, cityscape, custom, dark, district, downtown, east, economy, financial, high, historic, historical, history, house, international, landmark, landscape, light, long, ma, marine, massachusetts, modern, night, old, scene, sightseeing, sky, skyline, skyscraper, states, tall, tour, tourism, tourist, tower, travel, twilight, united, urban, usa, wharf,