At the China-Germany Economic and Technical Cooperation Forum held in Berlin on Oct 10, 2014, Premier Li Keqiang gave a Luban Lock as a gift to German Chancellor Angela Merkel. Li said he hopes cooperation between China and Germany can keep evolving and improving. The two countries can cooperate to solve global challenges together just like unlocking the Luban Lock, Li said.

Premier Li Keqiang makes a speech at the China-Germany Economic and Technical Cooperation Forum during his visit to Berlin on Oct 10, 2014.[Photo/english.gov.cn]

Premier Li Keqiang (left) gives a Luban Lock as a gift to German Chancellor Angela Merkel at the China-Germany Economic and Technological Forum during his visit to Berlin on Oct 10, 2014.[Photo/english.gov.cn]

Premier Li Keqiang (left) gives a Luban Lock as a gift to German Chancellor Angela Merkel at the China-Germany Economic and Technological Forum during his visit to Berlin on Oct 10, 2014. [Photo/english.gov.cn]