Ключевые слова: abstract, architecture, backdrop, background, barrier, black, cement, contrast, contrasty, design, diagonal, diminishing, elements, fence, geometric, glass, graphic, graphic resources, gray, grey, ladder like, lineal, linear, lined, lines, manmade, mesh, metal, minimal, parallel, pattern, plain, repeat, repeating, shadow, shadows, shape, simple, slanting, spring, straight, striped, structure, texture, wire,