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Image: Pen in water

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Original image(4,032 × 1,464 pixels, file size: 362 KB, MIME type: image/jpeg)

Description: A pen partially submerged in a bowl of water appears bent due to refraction at the water surface.
Title: Pen in water
Credit: Own work
Author: Ulflund
Usage Terms: Creative Commons Zero, Public Domain Dedication
License: CC0
License Link: http://creativecommons.org/publicdomain/zero/1.0/deed.en
Attribution Required?: No

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