Ключевые слова: abstract, background, beach, brown, contrast, cycle, dent, design, feet, figure, foot, footmark, footprints, footsteps, geometrical, leg, lines, lots, many, mark, pattern, print, protector, protectors, relief, rippled, sand, sandpit, sandy, shade, shadow, shoes, strip, sunny, surface, texture, trace, tracery, traces, track, tracks, tread, wheel, yellow,