Photo of the Day

An underwater air bubble
December 2, 2011

Ocean Air Bubble

This Month in Photo of the Day: 2011 National Geographic Photo Contest Images

An air bubble ascending from the ocean floor contorts and twists into a semicircle as a wave breaks in the background. Captured as part of the Underwater Project.

(This photo and caption were submitted to the 2011 National Geographic Photo Contest.)


See all contest entries »
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Photograph by Mark Tipple
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