Ключевые слова: abstract, architecture, backdrop, background, block, brick, brickwork, cement, cobble, concrete, construction, courtyard, detail, diagonal, dirty, floor, flooring, footpath, gray, green, hard, material, nobody, outdoor, path, pattern, pavement, paving, road, rock, rough, shape, sidewalk, simple, slab, square, stone, street, structure, surface, texture, textured, tile, traditional, vignette, walk, walkway, wall,