Question mark made of marine small pebbles

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Size: 4480px × 6720px
Photo credit: © SERGEI CHAIKO / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: ?, abc, alphabet, background, calligraphy, education, flat, font, interrogative, isolated, mark, pebbles, question, reading, school, shape, sign, stone, studying, symbol, text, type, white, writing