Ключевые слова: abstract, backgrounds, barbed wire, barricade, boundary, chainlink fence, closed, concepts, criminal, crisscross, crossing, danger, decoration, do not enter sign, fence, forbidden, freedom, gate, hurdle, immigrant, iron metal, manufactured object, metal, metallic, middle east, military, military private, no people, nonurban scene, outdoors, pattern, prison, protection, residential district, safety, security, security system, sharp, sign, spiked, steel, surrounding wall, twilight, wall building feature, war, warning sign, wire, wired,