Ключевые слова: alarm, autumn, back, background, bell, black, blackboard, boy, celebration, chalkboard, child, class, classroom, closeup, copy, education, festive, gold, golden, hand, holding, holiday, indoors, kid, knowledge, learn, lesson, lifestyle, little, metal, person, primary, ring, ringing, room, school, season, space, student, study, studying, symbol, text, time,