Ключевые слова: abstract, art, background, barrier, beautiful, black, border, brown, cage, chain, close, concept, contrast, decorative, design, detail, different, element, enclose, fence, front, grid, guard, iron, light, line, link, mesh, metal, nature, net, network, old, orient, oriental, outdoor, pattern, protection, rural, rust, safety, security, serenity, steel, texture, types, wall, wallpaper, wire,