A key meeting of the Communist Party of China (CPC) — the Sixth Plenary Session of the 19th Central Committee - will take place between November 8 and 11. During the upcoming session, the focus is expected to be on the Party's achievements and historical experience over the past century, after the CPC marked its centenary in July. What is a plenary session and what roles do these meetings play in China's national decision-making? CGTN Reporter Li Jianhua explains.