Ключевые слова: back to school, balloons, beautiful, bouquets, boys, celebration, child, childhood, class, clothes, day, editorial, education, elementary, elementary school, european, festive, first, firstformer, flowers, funny, gifts, girl, happiness, happy, high school students, knowledge day, official line, one, people, photo, preschooler, primary school, russia, russian, schoolchild, schoolgirl, scientists, september, shape, small, smiling, solemn line, solemn ruler, teacher, teaching, traditional, white, woman, young,