Wu Bangguo (R), chairman of the Standing Committee of China's National People's Congress, shakes hands with Iranian First Vice President Mohammad-Reza Rahimi, in Tehran, Iran, Sept. 10, 2012. (Xinhua/Li Tao)
  Wu Bangguo (6th L, back), chairman of the Standing Committee of China's National People's Congress, and Iranian First Vice President Mohammad-Reza Rahimi (5th R, back) attend a signing ceremony of documents on bilateral cooperation in Tehran, Iran, Sept. 10, 2012. (Xinhua/Li Tao)