Ключевые слова: 13 years old, active, ball, basketball, boy, caucasian, education, fit, game, gym, gymnasium, happy, healthy, high school, holding, human face, indoors, lesson, looking at camera, male, match, net, one person, people, person, player, playing, portrait, pupil, school, scoreboard, smiling, sport, sports team, student, team, teamwork, teen, teenage, teenager, together, training, uniform, usa, vertical,