Ключевые слова: adult, attractive, background, blue, blue background, book, caucasian, cheerful, child, childhood, childhood development, college, cute, development, education, elementary, elementary school, face, female, girl, happy, kid, knowledge, learn, learning, lifestyle, multiracial, one person, people, person, portrait, school, schoolgirl, smile, student, study, studying, unaltered, university, young,