Ключевые слова: academic, back to school, black, blue sky, boy, bright, caucasian, chalkboard, cheerful, child, childhood, class, classmates, classroom, clouds, colourful, communication, computer graphic, cute, development, digital, digitally generated, early learning, earth, education, elementary, elementary school, female, gesture, girl, global, grass, green, hands, happy, in a line, in a row, international, knowledge, learn, learning, lesson, male, map, mixedrace, portrait, posing, positive, pupil, school, schoolchild, smiling, standing, sunny, world wide,