Ключевые слова: architecture, background, block, brick, cement, cobble, concrete, construction, coverage, decor, decoration, design, effect, floor, gray, ground, marble, material, mosaic, outdoor, pattern, pave, pavement, road, rock, rough, seamless, sett, shape, sidewalk, slab, space, square, stone, street, surface, texture, tile, tileable, urban, visual, walk, way,