Ключевые слова: 13 to 15 years, 18 to 19 years, acrobat, acrobatic, action, arms raised, athlete, athletic, balance, barefoot, blue sky, both male and female, caucasian ethnicity, challenge, clear sky, concentration, confidence, costume, day, field, field landscape, fitness, flexibility, focus concept, full length, grace, gymnast, handstand, holding, leotard, lifting, low angle view, man, nature, outdoors, performer, performing, poised, power, power concept, precision, risk, side view, sport, standing, strength, support, teamwork, teenage girl, teenager, togetherness, two people, upside down, wearing, young adult,