Ключевые слова: abstract, architecture, background, barbed, barrier, border, boundary, breach, break, bright, cage, chainlink, closeup, concentration, construction, design, detail, entrance, escape, fence, frame, freedom, grate, gray, green, grid, hope, industrial, isolated, jail, mesh, metal, metallic, net, netting, pattern, perspective, prison, protection, rod, security, shape, silhouette, steel, strong, structure, texture, textured, white, wire,