Stack of hardback books with graduation hat and lightbulb. Learning,education,knowledge is power,graduate degree and back to school concept. Large fre

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Stack of hardback books with graduation hat and lightbulb. Learning,education,knowledge is power,graduate degree and back to school concept. Large free copy space.

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Size: 6746px × 4000px
Photo credit: © Thomas Bethge / Alamy / Afripics
License: Royalty Free
Model Released: No

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