Ключевые слова: barbed, barbed wire, barricade, barrier, border, boundaries, chain link fence, closed, crime, danger, defense, emigration and immigration, fence, forbidden, freedom, frontier, government, guard, illegal, immigration, international border, international border barrier, journey, metal, metallic, mexico, migration, military, outdoors, prison, protection, razor, razor wire, restriction, rusty, safety, security, security system, separation, sharp, steel, wall, war, wire,