(Photo credit: Michael Steele/Getty Images)
When Liu Qi, president of the 2008 Beijing Olympics organizing committee gave a speech on Olympic Torch flame-lighting ceremony (video here) at Greece's Ancient Olympia, two men of Paris-based Reporters Without Borders carrying black flags showing the Olympic rings as handcuffs ran onto the stadium field where Liu stood and staged a protest. Link
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Reporters Without Borders member protest video: