Ключевые слова: adventure, back, back to school, backgrounds, backpack, bag, blue, book, book cover, briefcase, business, classroom, collection, computer, computer graphic, design, document, education, equipment, flat, hardcover book, high school, home office, illustration, isolated, journey, learning, library, literature, luggage, paper, pencil, personal accessory, reading, satchel, school, school building, school supplies, science, single object, stack, student, studying, symbol, technology, textbook, travel,