Ключевые слова: abstract, america, american, architecture, attraction, big, boston, bricks, bridge, building, bunker, cable, cables, charles, city, clouds, dig, dollars, fence, gate, hill, historic, history, leonard, massachusetts, memorial, million, monument, oblisk, ocean, old, revolution, river, sea, sepia, sky, stairs, strength, structure, support, supports, symbolic, tourist, tower, transport, tree, usa, war, water, zakim,