Ключевые слова: abstract, adult, background, barefoot, beach, beach sand, brown, coast, detail, exotic, family, father, feet, foot, footprint, footprints, footprints in the sand, footstep, ground, human, kid, learning, learning concept, love, mark, nature, nobody, ocean, outdoor, paradise, paths, print, sand, sand texture, sandy, sea, seascape, son, step, summer, surface, texture, travel, travelling, tropical, vacation, walk, water,