Ключевые слова: aerial, america, american, architecture, art, ayer, building, business, center, city, cityscape, classical, commercial, culture, district, downtown, drone, factory, hall, historic, historical, history, house, industrial, industry, landmark, lawrence, ma, manufacturing, massachusetts, merrimack, mill, old, revolution, river, skyline, square, states, street, style, textile, tour, tourism, tower, town, tradition, travel, united, usa, view,