Zhao Leji (R), member of the Standing Committee of the Political Bureau of the Central Committee of the Communist Party of China (CPC) and secretary of the CPC Central Commission for Discipline Inspection (CCDI), joins a voluntary tree planting activity in the eastern suburbs of Beijing, capital of China, April 2, 2018. Other Chinese leaders including Xi Jinping, Li Keqiang, Li Zhanshu, Wang Yang, Wang Huning, Han Zheng and Wang Qishan also attended the event. [Photo/Xinhua]