Ключевые слова: abstract, background, barb, barbed, barbwire, barrier, black, blue, blurred, blurry, border, boundary, camp, chain, concentration, crime, danger, dangerous, detail, fence, field, forbidden, frame, freedom, guard, iron, jail, line, mesh, metal, military, old, outdoor, pattern, prison, private, protection, safety, security, sharp, silhouette, sky, steel, stop, wall, war, white, wire,