Ключевые слова: abstract, backdrop, background, barrier, black, blue, blue sky, border, cage, chain, closeup, construction, danger, day, enclose, escape, fence, freedom, freedom concept, gap, grid, heaven, hole, illustration, iron, jail, link, mesh, metal, metal fence, metallic, netting, outdoor, outdoors, pattern, prison, protection, rusty, safety, security, shape, silhouette, sky, steel, texture, web, wire, wire mesh, wire net, wired,