A Canadian swimmer sports an Olympic rings tattoo at the Aquatics Centre before the start of the London 2012 Olympic Games in London July 27, 2012. REUTERS/Jorge Silva
A tattoo of a Bible verse is seen on the hands of Brady Ellison of the U.S. as he prepares to take aim during the men's archery team quaterfinals at the Lords Cricket Ground during the London 2012 Olympics Games July 28, 2012. REUTERS/Suhaib Salem
A tattoo of a Bible verse is seen on the hands of Brady Ellison of the U.S. as he prepares to take aim during the men's archery team quaterfinals at the Lords Cricket Ground during the London 2012 Olympics Games July 28, 2012. REUTERS/Suhaib Salem
A USA tattoo is seen under U.S. gymnast Jonathan Horton's leotard during the men's gymnastics qualification in the North Greenwich Arena during the London 2012 Olympic Games July 28, 2012. REUTERS/Mike Blake
An Olympic tattoo is seen on Marta Pihan-Kulesza of Poland's back during the balance beam event during the women's gymnastics qualification at the North Greenwich Arena during the London 2012 Olympic Games July 29, 2012. REUTERS/Dylan Martinez
Moldova's Vasilii Belous (L) sports a tattoo as he fights against Tanzania's Selemani Kidunda during the men's welter (69kg) Round of 32 boxing match at ExCeL venue during the London 2012 Olympic Games July 29, 2012. REUTERS/Murad Sezer
A tattoo of Jessica Lopez of Venezuela is seen as she competes in the asymmetric bars during the women's gymnastics qualification in the North Greenwich Arena during the London 2012 Olympic Games July 29, 2012. REUTERS/Dylan Martinez
Sarah Poewe of the German national Olympic swimming team sports an Olympic rings tattoo as she takes part in a public training session during German Olympic swim team media day before the start of the London 2012 Olympic Games in Hamburg July 23, 2012. REUTERS/Morris Mac Matzen
The tattoo of Erika of Brazil's women's basketball team is seen during a team practice session in the Crystal Palace in London before the start of the London 2012 Olympic Games, REUTERS/Sergio Moraes
A tattoo including the word 'Deserve' is seen under Louis Smith of Great Britain's leotard during the men's gymnastics qualification in the North Greenwich Arena during the London 2012 Olympic Games July 28, 2012. REUTERS/Mike Blake
A tattoo of a maple leaf and the Olympic rings is seen on the back of Canada's Brent Hayden as he attends a training session at the main pool of the Aquatics Centre before the start of the London 2012 Olympic Games in London July 25, 2012. REUTERS/Toby Melville
A tattoo of the Olympic rings is seen on Canada's Ryan Cochrane during a training session at the main pool of the Aquatics Centre before the start of the London 2012 Olympic Games in London July 26, 2012. REUTERS/Jorge Silva
A tattoo of the Olympic rings is seen on a member of the U.S. national Olympic swimming team during a training session at the main pool of the Aquatics Centre before the start of the London 2012 Olympic Games in London July 26, 2012. REUTERS/Jorge Silva
The butterfly tattoo of Vanessa Ferrari of Italy is seen as she attends a gymnastics training session at the O2 Arena before the start of the London 2012 Olympic Games July 26, 2012. REUTERS/Dylan Martinez
An Olympic rings tattoo of Khatuna Lorig of the U.S. is seen during the women's archery individual ranking round of the London 2012 Olympics Games at the Lords Cricket Ground in London July 27, 2012. REUTERS/Suhaib Salem