Ключевые слова: abstract, architecture, background, black, block, brick, building, cement, cobble, cobblestone, concrete, construction, floor, footpath, gray, ground, historic city center, historical, material, nobody, old, pattern, paved, pavement, paving, paving stones, perspective, red, road, road surface, rock, roof, rough, sidewalk, square, stone, street, structure, surface, texture, textured, tile, tiled, urban, vintage, walkway, wall, way,