Ключевые слова: 67, apron, blackboard, caucasian, cheerful, child, class, classroom, close up, content, east european, education, elementary, elementary age, elementary school, female, girl, grade school, happiness, happy, indoor, inside, italian, joy, looking at camera, one person, portrait, posing, preadolescent, primary, pupil, russian, school, schoolgirl, schooling, smiley, smiling, stand, standing, student, uniform, young,