Chinese President Hu Jintao (3rd, R), Kazakh President Nursultan Nazarbayev (3rd, L), Kyrgyz President Kurmanbek Bakiyev (2nd, R), Russian President Vladimir Putin (2nd, L), Tajik President Emomali Rakhmonov (1st, R) and Uzbek President Islam Karimov (1st, L) plant a magnolia tree to commemorate the 5th anniversary of the founding of the Shanghai Cooperation Organization (SCO) at a hotel in western Shanghai, east China on June 14, 2006. (Xinhua Photo)