Ключевые слова: abstract, area, art, background, black, block, brick, cement, channel, city, cobble, cobblestone, concrete, construction, decoration, design, exterior, flat, floor, footpath, granite, gray, ground, hole, material, nook, old, outdoor, park, pattern, pave, pavement, paving, road, rough, shape, sidewalk, space, square, stone, street, surface, texture, tile, urban, walkway, way,