Coconut Princess, a cruise ship, leaves the port of Sanya for the Xisha Islands in south China's Hainan province on Sept. 2, 2014. The cruise trip between Sanya and Xisha was officially launched on Tuesday. The ship offers tourists a four-day, three-night cruise to Xisha, which has more than 40 islets and reefs. (China News Service/Yin Haiming)