Ключевые слова: abstract, background, cement, cobble, cobblestone, color, construction, design, exercise, feet, footpath, granite, gravel, grey, ground, layout, material, nottingham, outdoor, park, pathway, pattern, pavement, pebble, physical, pressure, reflexology, road, rock, rough, round, shape, sidewalk, stone, surface, texture, uk, urban, walk, walkway,