Archive notice: This article was originally published on February 23, 2010. Links and embedded videos are preserved as part of the historical record.
Up to five photos may be submitted in each of the ten categories, although the same photos may not appear in multiple categories. Any photo taken after January 1, 2007, may be used.
The categories are: culture, playground, energy, spirit, close up, wings, SanDisk sequence, new creativity, experimental and illumination.
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