Ключевые слова: abstract, background, black, block, brick, cobble, cobblestone, construction, floor, footpath, granite, gray, ground, historic, material, old, pattern, paved, pavement, paving, perspective, retro, road, roadway, rock, rough, sidewalk, square, stone, street, surface, texture, textured, tiled, traditional, urban, vintage, walkway, way,