Fisherfolks work on their fishing nets before the annual fishing moratorium starts at Gangbei port in Wanning City, south China's Hainan Province, May 16, 2013. The annual fishing moratorium in Hainan lasts from May 16 to Aug. 1 each year. This year marks the 15th year of fishing moratorium here, and in total 9,007 fishing boats as well as 34,780 fisherfolks are involved. [Photo/Xinhua]