Ключевые слова: abstract, architecture, asymmetrical, background, block, blotch, blue, brick, brickwork, building, cement, color, concrete, construction, dirty, effect, element, exterior, floor, flooring, footpath, grain, granite, grid, ground, grunge, grungy, hard, loft, masonry, material, paint, pattern, plaster, rock, rough, rugged, skin, solid, square, stone, stonewall, structure, surface, textured, tile, tiling, wall, wallpaper,