Ключевые слова: abstract background, back, bob wire, border, border fence, chainlink fence, closed, closed zone, cloud sky, crime, dangerous, deter, deterrent, disaster, dramatic, fenced area, floor, freedom, gaol, grey, grid, grunge, horizontal, ideas, jail, law, look up, metallic, no people, penitentiary system, perimeter, police, post, prisoner, private, protected object, protection, punishment, razor wire, safety, security, sharp edges, silhouette, spiral, stop, surrounding wall, unauthorized entry,