Ключевые слова: alternation, antiquity, background, between, cement, cobble, colorful, concrete, construction, crack, dark, footpath, gap, granite, gray, groove, mason, modern, old, ornament, outdoor, pattern, pavement, paving, pebbles, road, roadway, rough, row, sidewalk, sideway, slot, square, stone, strip, structure, surface, textured, tile,