Uzbek President Islam Karimov, Russian President Vladimir Putin, Kazakh President Nursultan Nazarbayev, Chinese leader Hu Jintao, Kyrgyz President Kurmanbek Bakiyev, Tajik President Emomali Rakhmonov and Iranian President Mahmud Ahmadi-Nejad (from left to right) at an opening of the 6th summit of the Shanghai Cooperation Organization (SCO) at the International Conference Center.