Ключевые слова: aged, ancient, antique, background, book, bookcase, bookshelf, brown, cardboard, classic, close, college, cover, design, desk, different, education, group, information, knowledge, learn, library, literary, literature, old, open, page, paper, pattern, pile, print, read, research, retro, row, school, science, shelf, spine, stack, study, table, textbook, texture, university, vintage, wall, wallpaper, weathered,