Ключевые слова: architecture, background, barrier, behind, blue, border, close, closed, colors, confined, decorative, door, durable, fence, fencing, front, gate, grid, industrial, metal, metallic, modern, net, outdoor, parallel, pattern, pole, property, protection, pub, residence, row, safety, security, security bar, separation, sky, strength, strong, structure, urban, vertical, wall,