Li Xiaoyan (L), commander of the 13th Escort Taskforce of the Chinese Navy, shakes hands with Liu Yuhe, Chinese Ambassador to Algeria, at the habour of Algiers, Algeria, on April 2, 2013. The 13th naval escort squad, sent by the Chinese People's Liberation Army (PLA) Navy, arrived at Algiers of Algeria on Tuesday for a four-day visit after finishing its escort missions. [Xinhua]