Ключевые слова: across, arch, arched, assured, attract, autumn, bridge, certified, connect, connection, construction, earthquake resistant, engineering, fall, famous, forest, fortress, geometric, gothic, guaranteed, industrial, landscape, lifestyle, logistic, northwest, openwork, oregon, outdoor, outdoors, over, overpass, pedestrian, perspective, poles, popular, portland, power, powerful, resistance, river, road, rope, safe, secure, st johns, stability, strength, strong, structure, stunning, stylish, support, symbol, tower, transport, transportation, travel, trees, truss, trusses, trustworthy, trusty, useful, vibrations, view, wear resistance, willamette, willamette river,