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Anastasia Davydova

Russia's Anastasia Davydova has butterflies tattooed on her back as she prepares for a synchronized swimming training session after the swimming competitions in the National Aquatics Center at the Beijing 2008 Olympics in Beijing, Sunday, Aug. 17, 2008. (AP Photo/Greg Baker)

Olympians' tattoo art

Sporting

the colors of the country they represent is gratifying enough for most

Olympic athletes. For others, an ink gun provides the opportunity to

express themselves in a more permanent way.