Ключевые слова: against, barb, barbed, barbwire, barrier, base, blue, border, boundary, camp, clear, close, closeup, defend, defense, detail, entry, fence, forbid, forbidden, guard, hard, industrial, iron, landscape, limit, line, metal, military, mountains, nature, obstacle, old, pattern, prison, private, prohibit, property, protect, protection, rust, rusty, security, sharp, silhouetes, sky, steel, up, wire,