Ключевые слова: back view, bonding, boys, break time, childhood, children, copy space, corridor, education, elementary school, end of term, energy, enjoying, free time, freedom, friends, friendship, full length, fun, girls, hallway, happy, horizontal, indoors, kids, knowledge, leisure activity, medium group of people, multiethnic group, playing, preteens, pupils, recess, running, school, school bag, schoolboys, schoolchildren, schoolgirls, students, summer, togetherness,