Ключевые слова: book, boy, caucasian, child, childhood, class, copybook, desk, doing, educate, education, elegant, elementary, gray, homework, horizontal, kid, learn, library, literature, male, man, math, notebook, one, pensive, people, person, portrait, read, school, schoolboy, schoolchild, smile, standing, student, study, studying, teen, teenager, textbook, upper, view, white, wisdom, write, young, youth,