File Photo shows Qiao Guanhua (L, front), then vice foreign minister of the People's Republic of China, and Huang Hua, then Chinese representative to the UN, reacting at the 26th United Nations General Assembly on Nov. 15, 1971. Oct. 25, 2016 marks the 45th anniversary of the restoration of the lawful seat of the People's Republic of China in the United Nations. (Xinhua)