Ключевые слова: army, background, backgrounds, barb, barbed, barbwire, barrier, blue, border, boundary, building, camp, danger, deterrent, farm, farming, fence, forbidden, frame, freedom, guard, iron, jail, keep, limit, line, macro, metal, military, people, prison, protection, razor, rust, rusty, safety, secure, security, sharp, sign, sky, spike, steel, strong, twist, war, white, wire, yellow,