Ключевые слова: adult, beautiful, blackboard, boy, caucasian, child, childhood, classroom, copyspace, cute, desk, education, educational, elementary, female, girl, glasses, grader, indoor, instructor, kid, learn, lesson, life, little, looking, man, person, pretty, pupil, school, schoolchildren, serious, student, study, studying, teacher, teaching, white, wisdom, woman, year, young,