Ключевые слова: background, beautiful, beauty, black, blackboard, board, book, caucasian, chalk, chalkboard, cheerful, child, childhood, class, classroom, college, cute, education, elementary, exam, female, girl, green, happy, high, indoors, kid, knowledge, learn, lesson, little, looking, math, mathematics, people, person, portrait, pretty, school, schoolgirl, science, smart, smiling, standing, student, study, teacher, woman, writing, young,