Huge stack of books with a skeleton key on top to signify the key to knowledge can be found in books

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Size: 2848px × 4288px
Photo credit: © Michael Flippo / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: binding, book, books, huge, industry, information, key, knowledge, large, learn, pages, paper, publishing, read, reading, school, skeleton, stack, symbol, symbolic, unlock, white