Ключевые слова: abstract, barricade, barricades, barrier, blurred, boundary, bridge, built, cage, chain, chain link, chainlink, city, closeup, construction, fence, forbidden, guard, industry, iron, mesh, metal, outdoor, outdoors, perspective, private, property, protection, railroad, safe, safety, security, steel, symmetry, texture, textured, tracks, wallpaper, wire,