Ключевые слова: back view, book, boy, caucasian, child, childhood, closeup, depressed, desk, education, exhausted, expression, frustrated, hands, head, high angle view, holding, home, homework, indoors, kid, knowledge, learning, little, notebook, one person, portrait, problem, pupil, reading, rear view, sad, school, schoolboy, schoolchild, schoolkid, sitting, stress, student, study, studying, table, teenager, textbook, thinking, tired, top view, unhappy, young,