Chinese President Xi Jinping and other senior leaders Li Keqiang, Zhang Dejiang, Yu Zhengsheng, Liu Yunshan, Wang Qishan and Zhang Gaoli are present at the opening session of a workshop on the 6th Plenary Session of the 18th Communist Party of China (CPC) Central Committee, attended by senior provincial and ministerial officials, at the Party School of the CPC Central Committee, Feb. 13, 2017. (Xinhua/Xie Huanchi)