Ключевые слова: 67 years, 89 years, academic, bench, book, boy, boys, casual clothing, caucasian, caucasian ethnicity, child, childhood, chinese, chinese ethnicity, classmate, classroom, desk, development, diverse, diversity, education, elementary, ethnically diverse, ethnicity, indoors, information, innocence, intelligence, intelligent, knowledge, learning, lifestyle, looking, male, multiethnic, notebook, pencil, school, school kid, schoolboy, sitting, student, study, studying, two people, wisdom,