Ключевые слова: architecture, beams, bolts, bridge, build, closeup, complex, construction, craftsmanship, crossing, design, durable, engineering, framework, geometric, girders, gray, heavy, industrial, infrastructure, interlocking, iron, junction, loadbearing, metal, metallic, modern, network, outdoor, overpass, pattern, rivets, skeleton, sky, steel, strength, structure, sturdy, support, transportation, truss, urban, welds,