Ключевые слова: activity, asian, bodybuilding, boys, caucasian, childhood, children, class, daylight, daytime, dumbbells, elementary age, european, exercise, exercising, fitness, fitness ball, four people, girls, group, gym, indoors, kids, looking at camera, multicultural, multiethnic, panorama, panoramic, preteen, selective focus, sport, sport equipment, sporting, sports center, sportswear, together, togetherness, training, working out, workout, youngsters,