Ключевые слова: abstract, architecture, background, block, brick, city, cobble, cobblestone, concrete, construction, design, exterior, flag, flagstone, floor, footpath, granite, gray, ground, material, old, outdoor, pattern, pave, paved, pavement, paver, paving, perspective, road, rock, rough, sett, shape, sidewalk, slab, square, stone, street, surface, texture, textured, tile, tiled, urban, vintage, walkway, wall, way,