Xi Jinping, general secretary of the Communist Party of China (CPC) Central Committee, presides over a meeting of the Political Bureau of the CPC Central Committee and delivers an important speech. The meeting of criticism and self-criticism, themed on studying the Party's history, stressed carrying forward the Party's great founding spirit and upholding its historical experience from the endeavors over the past century. The meeting was held from Dec. 27 to 28. (Xinhua/Ju Peng)