Chinese President Hu Jintao, Kazakh President Nursultan Nazarbayev, Kyrgyz President Kurmanbek Bakiyev, Russian President Vladimir Putin, Tajik President Emomali Rakhmonov and Uzbek President Islam Karimov wave after a tree planting ceremony marking the 5th anniversary of the founding of the Shanghai Cooperation Organization (SCO) at a hotel in Shanghai on June 14, 2006.
