Ключевые слова: abstract, background, barb, barbed, barbwire, barrie, blurred, blurry, border, boundary, brown, captivity, close, closeup, concept, defence, defense, detail, deterrent, enclosure, fence, forbid, forbidden, freedom, green, grunge, guard, iron, macro, metal, prevent, prison, prohibit, prohibited, protect, protection, rust, rusty, safety, secure, security, sharp, spike, steel, strong, symbol, twisted, wire,