Ключевые слова: abstract, background, barb, barbed, barbwire, blue, border, boundary, brown, business, chain, close, cobweb, color, concept, danger, dangerous, day, escape, farm, fence, field, forbidden, frame, freedom, illustration, isolated, jail, metal, nobody, pain, pattern, photo, prison, protect, protection, razor, safety, security, sharp, steel, stop, sunny, travel, twisted, view, white, wire,