Ключевые слова: aged, ancient, background, blank, book, bright, brown, cover, dark, design, document, education, empty, expertise, green, group, grunge, hardcover, information, isolated, knowledge, learn, learning, library, light, literature, nobody, object, old, page, paper, read, reading, red, research, school, stack, study, studying, table, textbook, texture, university, wallpaper, white, wisdom, wood, wooden, writing, yellow,