Ключевые слова: army, background, barb, barbed, barbed wire, barbwire, blue, border, boundary, braided, close, closeup, color, danger, do not enter sign, extreme closeup, fence, forbidden, freedom, horizontal, iron, isolated, line, macro, material, metal, military, no people, old, prison, private, protect, protection, rust, rusty, security, security system, sharp, sign, sky, spiral, steel, tangled, tied up, twisted, war, warning sign, white, wire,