Barbed wire in close-up. The background is a mountain landscape. wire, barbed, fence, close, up, blue, sky, barrier, sharp, barb, close-up, detail, pattern, closeup, old, metal, line, border, steel, clear, industrial, protection, security, iron, rusty, hard, rust, military, protect, property, defense, guard, private, entry, forbidden, base, camp, prison, boundary, obstacle, limit, defend, prohibit, forbid, barbwire, against, mountains, silhouetes, landscape, nature