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