Ключевые слова: abstract, architecture, avenue, backdrop, background, block, brick, cement, city, cobble, cobblestone, concrete, construction, decoration, design, floor, footpath, granite, gray, grey, ground, material, mosaic, old, outdoor, pattern, pave, paved, pavement, paving, road, rock, rough, seamless, shape, sidewalk, slab, square, stone, street, surface, texture, textured, tile, tiled, urban, vintage, walkway, wall,