Ключевые слова: access, area, background, barb, barbed, barbwire, barrier, base, border, boundary, camp, captivity, closed, convicts, danger, defense, escaped, fence, field, forbid, forbidden, freedom, grass, human, indastrial, iron, isolated, landscape, line, metal, military, no, old, prison, private, prohibit, protect, protection, rust, safety, security, sharp, steel, wire, wired,