Ключевые слова: arc, arch, architecture, beauty, blue, bolts, bridge, building, circle, crossing, design, dramatic, elegant, engineering, frame, futuristic, geometry, giant, hole, industry, large, light, math, mathematics, modern, perspective, polygon, power, quality, rails, repetition, shape, silver, skies, sky, spectacular, stainlesssteel, steel, street light, strength, structure, support, suspension, tough, transportation, tube, tubes, tubular, view, white,