Ключевые слова: abstract, army, barb, barbed, barbwire, barrier, blue, border, boundary, camp, captive, captured, cattle, close, closeup, danger, defense, farm, fence, freedom, grass, green, iron, jail, keep, limit, metal, military, obstacle, old, outdoor, people, post, prison, prisoner, protect, protection, rust, rusty, security, sharp, sky, space, steel, twist, war, wire, yellow,