• File photo taken on May 2, 1993 shows Li Keqiang (L) visits representatives of the 13th National Congress of the Communist Youth League (XINHUA)

  • File photo taken on August 8, 2003 shows Li Keqiang, then secretary of the Henan Provincial Committee of the Communist Party of China (CPC), talks to villagers in Xinxiang, central China's Henan Province (XINHUA)

  • File photo taken on November 3, 2005 shows Li Keqiang talks to people who moved to new houses from shanty town area in Fushun, northeast China's Liaoning Province (XINHUA)

  • File photo taken on January 31, 2008 shows Li Keqiang eats instant noodles with his colleagues as they talk about disaster relief work in the snowstorm-stricken Ziyun Village of Laojun Township of Xuanhan County in southwest China's Sichuan Province (XINHUA)

  • File photo taken on July 28, 2008 shows Li Keqiang visits coal miners in Datong City, north China's Shanxi Province (XINHUA)

  • File photo taken on December 15, 2009 shows Li Keqiang (3rd R, front) is seen on his way to a construction site after attending the inauguration ceremony of Hong Kong-Zhuhai-Macao bridge in Zhuhai, south China's Guangdong Province (XINHUA)

  • File photo taken on January 28, 2010 shows Li Keqiang (R) receives interview from reporters in Davos, Switzerland (XINHUA)

  • File photo taken on July 8, 2010 shows Li Keqiang (C) talks with family members of villager Su Shujie in Dasun Village of Jiaxiang County in Jining City, east China's Shandong Province (XINHUA)

  • File photo taken on April 25, 2011 shows Li Keqiang (L, front) feeds a child with sugar-pill in a health service center in Fangzhuang community in Beijing, capital of China, as he attends activities celebrating the children's vaccination day and inspects the work of healthcare reform in Beijing (XINHUA)

  • File photo taken on July 5, 2011 shows Li Keqiang (R, front) communicates with students of University of Science and Technology of China as he inspects east China's Anhui Province (XINHUA)

  • File photo taken on August 2011 shows Li Keqiang (R) visits residents living in public housing in Hong Kong, south China (XINHUA)

  • File photo taken on October 10, 2011 shows Li Keqiang (C) inspects the Green Apple Data Center in Changsha, capital of central China's Hunan Province (XINHUA)

  • File photo taken on November 18, 2011 shows Li Keqiang (L) shakes hands with an HIV carrier when he inspects AIDS prevention and treatment work in Beijing, capital of China (XINHUA)

  • File photo taken on April 27, 2012 shows Li Keqiang (L) shakes hands with Russian president-elect Vladimir Putin during their talks in Moscow, Russia (XINHUA)

  • File photo taken on April 28, 2012 shows Li Keqiang delivers a speech at Moscow State University in Moscow, capital of Russia (XINHUA)

  • File photo taken on May 3, 2012 shows Li Keqiang (L) talks with European Commission President Jose Manuel Barroso during the China-European Union High Level Meeting on Energy at the EU Commission headquarters in Brussels, Belgium (XINHUA)