Ключевые слова: abstract, asphalt, background, cement, concrete, detail, dirty, embossed, faded, foot, footprint, footstep, gravel, gray, grey, ground, grunge, imprint, macro, mark, memory, men, old, part, pavement, paw, rough, shape, shoe, sidewalk, stamp, step, stone, surface, symbol, texture, trace, track, walking,