Chinese President Hu Jintao (second right) and Japanese Prime Minister Yasuo Fukuda (second left) talk with Japanese table tennis player Ai Fukuhara (right) and Chinese table tennis player Wang Nan (left) after they sign autographs of them during the opening ceremony of the 2008 Japan-China youth friendly exchange year at the Waseda University in Tokyo, capital of Japan, May 8, 2008. [Xinhua]