Ключевые слова: at camera, attention, book, boy, browsing, caucasian, cheerful, child, childhood, class, classmates, classroom, colour, computer, concentrating, confident, connection, desk, development, education, elementary, elementary age, elementary school, enjoying, explaining, friends, girl, group, happy, horizontal, indoors, keyboard, kid, learning, lesson, library, looking, looking at camera, portrait, pupil, reading, school, schoolgirl, sitting, smiling, student, studying, technology,