Ключевые слова: 20s, assisting, attractive, beautiful, boy, caucasian, cheerful, child, childhood, coach, communication, confusion, crouching, cute, discussing, enjoying, explaining, female, fit, fitness, fun, goggles, gym, happy, healthy, healthy lifestyle, holding, instructor, joy, kid, learning, leisure, leisure activity, leisure center, lifestyle, male, pool, pretty, recreational pursuit, shirtless, showing, smiling, sport, stopwatch, student, swim cap, swimmer, swimming pool, swimwear, teaching, time, timing, trainer, water, water sport, whistle, woman, young adult,