Ключевые слова: aluminium, aluminum, architecture, background, bar, barrier, bars, black, blue, boundary, close, colours, copy, defense, detail, enclosed, fence, front, gate, hard, hedge, iron, large, lines, metal, metallic, nobody, outdoor, outdoors, parallel, pole, post, property, protection, round, row, safety, secure, security, separation, sharp, sky, steel, strong, symmetrically, urban, vertical, wrought,