China marks 40th anniversary of reform and opening-up

Xi Jinping, Li Keqiang, Li Zhanshu, Wang Yang, Wang Huning, Zhao Leji, Han Zheng and Wang Qishan attend a grand gathering to celebrate the 40th anniversary of China's reform and opening-up at the Great Hall of the People in Beijing, capital of China, Dec. 18, 2018. (Xinhua/Ju Peng)