Paramilitary police participate in an oath-taking ceremony to ensure safety for the upcoming annual meeting of the Boao Forum for Asia, slated for mid-April in China's southern island province of Hainan, in capital city Haikou April 8, 2011. More than 2,300 paramilitary policemen took part in the ceremony in Haikou, Sanya and Qionghai. [Photo/Xinhua]?

Paramilitary police participate in an oath-taking ceremony to ensure safety for the upcoming annual meeting of the Boao Forum for Asia, slated for mid-April in China's southern island province of Hainan, in capital city Haikou April 8, 2011. More than 2,300 paramilitary policemen took part in the ceremony in Haikou, Sanya and Qionghai. [Photo/Xinhua]