Ключевые слова: background, black board, book, bookshelf, chalk board, college, cup of coffee, data, design, desk, document, education, empty, expertise, fair, group, information, interior, knowledge, law, learn, library, literature, mark, old, open, open book, page, paper, read, research, school, science, shelf, stack, stack of books, study, studying, table, textbook, texture, university, vintage, wisdom, writing, yellow,