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Brittney Reese

United States' Brittney Reese makes an attempt in the Women's Long Jump final during the World Indoor Athletics Championships in Istanbul, Turkey, Sunday, March 11, 2012. (AP Photo/Matt Dunham)

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.