Ключевые слова: 20s, 2529 years, 67 years, academic, african ethnicity, assisting, bench, black, blade, boy, boys, casual clothing school kid, caucasian, caucasian ethnicity, child, childhood, classmate, classroom, communication, desk, development, discussing, diverse, diversity, education, elementary, energy, ethnically diverse, ethnicity, explaining, female, generator, girl, girls, guidance, indoors, information, innocence, intelligence, intelligent, knowledge, lifestyle, male, man, medium group of people, mixedrace, mixedrace person, multiethnic, notebook, part of, pencil, propeller, school, schoolboy, schoolgirl, schoolmaster, schoolteacher, sitting, smiling, standing, student, talking, teaching, thermantidote, wind turbines, windmill, wisdom, woman, young adult, young women,