Chinese Premier Li Keqiang (R, back) and Pakistani Prime Minister Imran Khan (L, back), who is paying an official visit to China, witness the signing of more than 10 documents on cooperation in areas including science research, justice, poverty reduction, health and customs after their talks at the Great Hall of the People in Beijing, capital of China, Nov. 3, 2018. (Xinhua/Zhai Jianlan)