Li Zhanshu plants a tree during a voluntary tree-planting activity in Daxing District in Beijing, capital of China, April 3, 2020. Chinese President Xi Jinping, also general secretary of the Communist Party of China (CPC) Central Committee and chairman of the Central Military Commission, attended a voluntary tree-planting activity here on Friday. The activity was also attended by other leaders including Li Keqiang, Li Zhanshu, Wang Yang, Wang Huning, Zhao Leji, Han Zheng and Wang Qishan. (Xinhua/Zhang Ling)