Gu Binlin, president of Tsinghua University, addresses a convention marking the centennial anniversary of the founding of Tsinghua University in Beijing, capital of China, April 24, 2011. Chinese top state and Party leaders Hu Jintao, Wu Bangguo, Wen Jiabao, Jia Qinglin, Xi Jinping, Li Keqiang attend the convention on Sunday. [Xinhua/Li Tao]