Ключевые слова: background, barb, barbed, barbwire, barrier, border, boundary, camp, chain, concentration, concept, crime, criminal, danger, dangerous, defense, enclosure, estonia, fence, forbidden, fortress, freedom, grille, guard, iron, isolated, jail, metal, military, museum, nobody, patarei, pattern, prevent, prison, protect, protection, russian, safety, secure, security, sharp, steel, symbol, tallinn, wall, white, window, wire, zone,