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2012 Olympic Games - Opening Ceremony

LONDON, ENGLAND - JULY 27: Caster Semenya of the South Africa Olympic athletics team carries her country's flag during the Opening Ceremony of the London 2012 Olympic Games at the Olympic Stadium on July 27, 2012 in London, England. (Photo by Paul Gilham/Getty Images)

South African runner Caster Semenya

South Africa's middle distance runner Caster Semenya hoisted her country's colors at the London Games' opening ceremony.