Ключевые слова: abstract, architecture, backdrop, background, black, cement, closeup, concrete, construction, design, detail, exterior, fence, floor, grain, gray, grey, grid, industrial, iron, light, line, material, mesh, metal, net, old, outdoor, pattern, protection, reflecting, rough, security, shade, shadow, shape, sidewalk, silhouette, steel, striped, structure, style, sunlight, sunny, surface, texture, textured, urban, white, wire,