Ключевые слова: america, american, architecture, beautiful, blue sky, bridge, built structure, cables, copyspace, dark, dusk, engineering, expansion, great, great lakes, horizontal, infrastructure, interstate, lake huron, lake michigan, landmark, lights, long exposure, mackinac, mackinac bridge, mackinaw, mackinaw bridge, michigan, midwest, night, outdoors, peninsula, pure, sky, span, steel, strait, structure, sunset, suspension, suspension bridge, tall, tower, traffic, transportation, travel, twilight, united states, usa, water,