Ключевые слова: 1011 years, 89 years, african ethnicity, arms raised, asian, asian ethnicity, back to school, black, bonding, boy, boys, campus, casual clothing, caucasian, caucasian ethnicity, cheerful, child, childhood, classmate, education, elementary, elementary school, enjoyment, female, friend, friendship, fun, girl, girls, happy, innocence, kids, knowledge, lifestyle, male, medium group of people, mixedrace, mixedrace person, playful, primary, running, school, schoolbag, schoolboy, schoolchild, schoolgirl, student, together,