The national flags of Australia and China are displayed before a portrait of Mao Zedong facing Tiananmen Square, during a visit by Australia's Prime Minister Julia Gillard in Beijing on April 26, 2011. The trip is Gillard's first to China, Australia's top trading partner, and comes at a time when the communist country is waging its toughest crackdown on dissent in years. AFP PHOTO/Frederic J. BROWN (Photo credit should read FREDERIC J. BROWN/AFP/Getty Images)