Ключевые слова: 67 years, academic, attentive, bench, bongo, boy, boys, casual clothing, child, childhood, classroom, concentration, desk, development, education, elementary, focused, holding, indoors, information, innocence, instrument, intelligence, intelligent, knowledge, learning, lifestyle, male, mixedrace, mixedrace person, music, musical instrument, one person, playing, school, school kid, schoolboy, standing, student, study, studying, wisdom,