Ключевые слова: abstract, area, background, barrier, blur, blurred, border, boundary, box, cage, chain, city, closeup, construction, cover, defocused, design, fence, field, gate, green, grid, industrial, industry, iron, jail, link, mesh, metal, metallic, net, netting, outdoor, pattern, playground, protect, protection, retro, safety, security, shape, steel, sun light, sunbeam, texture, textured, urban, vintage, wall, wire,