Ключевые слова: asian, back, background, blackboard, boy, boys, bulb, caucasian, chalkboard, child, childhood, children, class, classroom, clever, concept, education, elementary, face, genius, glasses, green, happy, humor, idea, intelligence, kid, kids, knowledge, learn, little, looking, male, one, people, person, portrait, pupil, school, schoolboy, schoolchild, sitting, smart, smiling, space, student, study, teacher, up, young,