Ключевые слова: 3d, 89 years, back to school, blackboard, caucasian, caucasian ethnicity, chalk, chalkboard, cheerful, child, childhood, class, classroom, computer graphic, cute, development, digital generated, doodle, education, elementary, elementary school, female, freedom, gesturing, girl, girls, hands out, happy, learn, learning, literacy, one person, portrait, pupil, school, schoolchild, schoolgirl, smiling, standing, stretching, study, studying, white,