Ключевые слова: academic, ancient, antique, attraction, background, blurred, book, bookcase, books, bookshelf, classic, collection, colorful, concept, culture, defocused, diminishing, education, icon, image, indoor, isolated, knowledge, law, learn, library, literature, many, multicolor, multicolored, old, order, paperback, people, photo, picture, public, racks, research, room, shelf, shelves, text, textbook, university, volume, wall, white, wisdom, wood,