Ключевые слова: abstract, backdrop, background, banner, barbed, barrier, blue, blurred, border, boundary, cage, chain, closeup, colorful, construction, danger, element, enclosure, fence, freedom, grid, industrial, iron, jail, link, linkage, mesh, metallic, nature, netting, outdoor, pattern, poles, prison, protect, protection, refugee, safety, security, shape, silhouette, sky, steel, sunrise, sunset, texture, wall, wallpaper, wire,