Ключевые слова: adolescence, autumn, back to school, backpack, book, books, campus, centers, city, classes, classrooms, college, compound, education learn, exam, folder, garden, girl, glasses, grass, high school, institute, learn, mask, medicine, nature, notebook, notepad, notes, pass, reading, safety distance, school, smiling, student, study, teenager, trees, university, walking, windows,