Ключевые слова: active, activity, ball, black, boy, boys, caucasian, child, childhood, day, education, ethnicity, field, fitness, foot, football, fun, game, goal, grass, group, health, kick, kid, lawn, leisure, lifestyle, male, man, nature, outdoor, outdoors, outside, park, people, pitch, play, player, playing, practice, recreational, running, school, soccer, sport, sports, team, teenage, training, young, youth,