Ключевые слова: barb, barbed, barbwire, building, cage, captive, captivity, cell, checkpoint, concept, corner, correctional, crime, criminal, detention, detention facility, escape, facility, fence, guard, imprisoned, incarceration, inmate, institution, iron, jail, law, locked, observation, order, patrol, police, prison, prisoner, protection, punish, punishment, safety, security, separation, sharp, solitary, steel, stop, surveillance, thief, tower, wall, watchtower, wire,