Ключевые слова: abstract, access, background, barbwire, barrier, black, border, boundary, camp, chain, closeup, concentration, concept, copy, crime, danger, fence, freedom, guard, horizontal, insulation, iron, jail, justice, lamp, metal, nobody, prison, prohibited, protection, punishment, razor, rusty, safety, security, separation, sharp, sky, space, steel, street, symbol, trespass, wall, war, wire, zone,