Mexican President Felipe Calderon (L) and President of South Africa Jacob Zuma (R) show the uniforms of Brazilian national football team presented by Brazilian President Luiz Inacio Lula da Silva (C) after a joint press conference in L'Aquila, Italy, July 8, 2009. On behalf of Chinese President Hu Jintao, State Councilor Dai Bingguo attended the joint press conference with leaders of India, Brazil, South Africa and Mexico here on Wednesday. [Xinhua]