South Sudanese marathon runner Guor Marial smiles as he arrives at the Heathrow airport, in London on August 3, 2012, on day 7 of the London 2012 olympic games. AFP PHOTO / ANDREW COWIEANDREW ... more 
South Sudanese marathon runner Guor Marial smiles as he arrives at the Heathrow airport, in London on August 3, 2012, on day 7 of the London 2012 olympic games. AFP PHOTO / ANDREW COWIEANDREW COWIE/AFP/GettyImages less 
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Getty Images | Photo By ANDREW COWIE / AFP/Getty Images
Fri, Aug 3, 2012 7:59 PM EDT