Ключевые слова: 10s, activity, amateur, boy, canadian, caucasian, cheerful, children, choreography, classroom, coordination, dancer, dancing, emotions, enjoying, exercising, expressive, flexibility, french, fun, german, group, happy, health, indoors, interested, leisure, lifestyle, male, moves, musical, occupation, person, polish, portrait, positions, practice, preteen, rhythmical, school, sport, studio, synchronicity, teammates, technique, togetherness, tweenager, vigorous, zumba,