Ключевые слова: abstract, avenue, black, block, cement, cobble, cobblestone, concrete, construction, design, drop, exterior, floor, footpath, granite, gray, grey, ground, grunge, material, mosaic, nobody, old, pattern, pave, pavement, pedestrian, perspective, rain, red, road, roadway, rock, rough, shape, sidewalk, square, stone, structure, surface, textured, tile, urban, vintage, walkway, wall, water, way, wet,