Ключевые слова: 3034 years, 30s, 45 years, 67 years, active, african ethnicity, assisting, athletic, basketball, basketball court, bench, black, boy, boys, caucasian, caucasian ethnicity, child, childhood, classmate, clipboard, coach, communication, crouching, development, diverse, diversity, education, ethnically diverse, ethnicity, explaining, female, friend, game, girl, girls, group, guidance, holding, indoors, innocence, interacting, male, man, medium group of people, mid adult, mid adult men, mixedrace, mixedrace person, multiethnic, paper, pen, play, playground, playtime, recreation, school, school kid, schoolboy, schoolgirl, sitting, sports, sports trainer, student, talking, together, uniform, writing,