(Google Clean Energy Visit with ERGies, Mountain View, 2010)
(UNFCCC CoP15, Copenhagen, 2009)
(Yosemite National Park, 2007)
(Columbia University with C&S friends, New York City, 2008; Credit: Arezou Paksima)
| (Stanford University with PESD colleagues, Stanford, 2009)
(UNFCCC CoP11, Montreal, 2005)
(Tallberg Forum, Sweden, 2007; Credit: Jia Feng)
(Graduation from PKU with friends, Beijing, 2006)
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