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 » Get underwater photography tips »
Photograph by Mark Tipple

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