The frigate Huangshan of the 13th naval escort squad sent by the Chinese People's Liberation Army (PLA) Navy arrives at the Toulon harbour in France, April 23, 2013. The 13th convoy fleet including the frigates Huangshan and Hengyang and the supply ship Qinghaihu arrive in Toulon, France on Tuesday, beginning a five-day visit to the country. (Xinhua/Gao Jing)