Li Changchun(R), a member of the Standing Committee of the Political Bureau of the Communist Party of China Central Committee shakes hands with Yahya Ould Ahmed El Waghef, president of the Mauritanian National Union for Democracy and Development, in Nouakchott, capital of Mauritania, on March 25, 2008.[Xinhua Photo]

 Li Changchun(L), a member of the Standing Committee of the Political Bureau of the Communist Party of China Central Committee, shakes hands with Mauritanian Prime Minister Zein Ould Zeidane in Nouakchott, capital of Mauritania, on March 25, 2008.[Xinhua Photo]

Li Changchun (C), a member of the Standing Committee of the Political Bureau of the Communist Party of China Central Committee is greeted by Yahya Ould Ahmed El Waghef (L1), president of the Mauritanian National Union for Democracy and Development, and other people in Nouakchott, capital of Mauritania, on March 25, 2008. [Xinhua Photo]