Ключевые слова: abstract, backdrop, background, barbed, barrier, border, boundary, breach, building, business, cage oiseaux, chainlink, closeup, construction, contemporary, corporate, danger, decoration, design, diminishing, exterior, fence, finance, forbidden, frame, grate, gray, grid, house, industrial, isolated, mesh, metal, metallic, net, netting, office, old, pattern, perspective, protection, real, shape, silhouette, steel, structure, texture, textured, view, window,