German Chancellor Angela Merkel stands with Premier Li Keqiang during an official welcoming ceremony in Berlin on Oct 10, 2014.[Photo/english.gov.cn]

German Chancellor Angela Merkel walks with Premier Li Keqiang during an official welcoming ceremony in Berlin on Oct 10, 2014[Photo/english.gov.cn]

Premier Li Keqiang shakes hands with German Chancellor Angela Merkel in Berlin on Oct 10, 2014.[Photo/english.gov.cn]

German Chancellor Angela Merkel walks with Premier Li Keqiang during an official welcoming ceremony in Berlin on Oct 10, 2014.[Photo/english.gov.cn]

German Chancellor Angela Merkel welcomes Premier Li Keqiang with an official ceremony in Berlin on Oct 10, 2014.[Photo/english.gov.cn]

German Chancellor Angela Merkel gestures as she welcomes Premier Li Keqiang during an official ceremony in Berlin on Oct 10, 2014.[Photo/english.gov.cn]

German Chancellor Angela Merkel walks with Premier Li Keqiang during an official welcoming ceremony in Berlin on Oct 10, 2014.[Photo/english.gov.cn]

German Chancellor Angela Merkel and Premier Li Keqiang walk during an official welcoming ceremony in Berlin on Oct 10, 2014.[Photo/english.gov.cn]