Ключевые слова: abstract, architectural, background, block, brick, brickwork, city, cobble, cobblestone, color, concrete, design, element, exterior, floor, footpath, gray, grey, herringbone, laid, material, mosaic, natural, pattern, pave, paved, pavement, paver, paving, plain, rectangle, rectangular, road, rock, rough, sidewalk, slab, slabs, square, stone, street, surface, texture, textured, tile, tiled, top view, urban, walkway, way,