Ключевые слова: america, american, apartment, architecture, architecture and buildings, attraction, bay area, beautiful, blue sky, boston, brick, building, business, city, cityscape, construction site, copyspace, crane, district, downtown, historic, house, landmark, massachusetts, metropolis, modern, neighborhood, new, new england, red, residential, residential structure, retro, sidewalk, sightseeing, skyline, skyscraper, street, streetscape, toned color, tourism, travel, united states, urban, urban scene, usa, vacation, waterfront,