Xie Zhenhua, seated at left, vice chairman of China's National Development and Reform Commission, and U.S. Special Envoy for Climate Change Todd Stern, seated at right. Behind them, left to right, Secretary of State Hillary Clinton, Chinese State Councilor Dai Bingguo, U.S. Secretary of Energy Steven Chu and Zhang Guobao, also a vice chairman of the National Development and Reform Commission, look on.
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