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11th Annual Smithsonian Magazine Photo Contest Natural World
I have taken this photograph of synchronous fireflies (Photonius Carolinus) in Pennsylvania last summer. Notice their unique flashing pattern captured by long exposure, creating O shape on the right o

I have taken this photograph of synchronous fireflies (Photonius Carolinus) in Pennsylvania last summer. Notice their unique flashing pattern captured by long exposure, creating O shape on the right of the image.

Photo Detail
Date Taken: 06.2013
Date Uploaded: 11.2013
Photo Location: Linden, Pennsylvania, United States of America
Camera: Canon EOS 6D
Copyright: © Radim Schreiber