Ключевые слова: 67 years, academic, attentive, bench, book, boy, boys, casual clothing, child, childhood, classroom, concentration, content, desk, development, education, elementary, focused, holding, indoors, information, innocence, intelligence, intelligent, knowledge, learning, lifestyle, looking at camera, male, mixedrace, mixedrace person, notebook, one person, pen, pencil, school, school kid, schoolboy, sitting, smiling, student, study, studying, tray, wisdom,