China's Haixun 21 starts patrol mission on waters of Xisha Islands (2/4)

China's patrol vessel Haixun 21 cruises on the waters the Jinqing Island of Sansha City, south China's Hainan Province, July 22, 2013. The patrol vessel set out for a five-day patrol mission on the water area of Xisha Islands in South China Sea. It will monitor maritime traffic safety, investigate maritime accidents, detect pollution, and carry out search and rescue work. (Xinhua/Zhao Yingquan)