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Barack Obama smiles before he takes oath as the 44th president of the United States of America in front of the U.S. Capitol in Washington D.C. Jan. 20, 2009. [Zhang Yan/Xinhua]
(CCTV January 21, 2009)
![Barack Obama smiles before he takes oath as the 44th president of the United States of America in front of the U.S. Capitol in Washington D.C. Jan. 20, 2009. [Zhang Yan/Xinhua]](http://images.china.cn/attachement/jpg/site1007/20090121/000cf1a487730ae0c3ed2c.jpg "Barack Obama smiles before he takes oath as the 44th president of the United States of America in front of the U.S. Capitol in Washington D.C. Jan. 20, 2009. [Zhang Yan/Xinhua]")
