Ключевые слова: art, background, backpack, boy, bright, celebration, child, childhood, colour, colourful, concept, creative, cute, decor, decoration, detail, education, event, face, festive, flat, flower, fun, garland, hairstyle, holding, illustration, inscription, isolated, joy, knowledge, lesson, lettering, mask, number, painting, pen, posing, prevention, protective, schoolboy, september, smart, smiling, style, text, uniform, virus, white,