Chinese Premier Li Keqiang (R) and Vietnamese Prime Minister Nguyen Xuan Phuc attend a signing ceremony at the Great Hall of the People in Beijing, China, September 12, 2016. REUTERS/Lintao Zhang/Pool *** Local Caption *** Nguyen Xuan Phuc

Chinese Premier Li Keqiang (R) and Vietnamese Prime Minister Nguyen Xuan Phuc attend a signing ceremony at the Great Hall of the People in Beijing, China, September 12, 2016. REUTERS/Lintao Zhang/Pool *** Local Caption *** Nguyen Xuan Phuc

Chinese Premier Li Keqiang (R) and Vietnamese Prime Minister Nguyen Xuan Phuc attend a signing ceremony at the Great Hall of the People in Beijing, China, September 12, 2016. REUTERS/Lintao Zhang/Pool *** Local Caption *** Nguyen Xuan Phuc

September 13, 2016 3:31 AM (UTC+8)