Ключевые слова: abstract, art, background, barbed, barrier, bars, beautiful, behind, black, cage, chain, concept, construction, crack, crime, criminal, damage, danger, decoration, design, element, fence, forbidden, freedom, gray, human, industrial, industry, iron, isolated, jail, justice, link, mesh, metal, monochrome, net, pattern, people, prison, prisoner, protection, punishment, safety, security, sky, steel, texture, wall, white, wire,