Lecture Hall of National History: Confidence in Socialist Culture with Chinese Characteristics National History Lecture Hall: Achievements of Cultural Construction in New China in the Past 70 Years Lecture Hall of National History: Achievements and Experience of 70 Years of Political Construction in New China National History Lecture: Reviewing the 70 Years of Ecological Civilization Construction in Grasping the "Two Mountains Theory" Lecture Hall of National History: Achievements of New China's Economic Construction in the Past 70 Years Lecture Hall of National History: Viewing the Theoretical Confidence of Socialism with Chinese Characteristics from the Development of the New Era Lecture Hall of National History: 70 Years' Construction of People's Livelihood in New China Lecture Hall of National History: Achievements of 70 Years of Socialist System in New China Lecture Hall of National History: Achievements of New China's Economic Construction in the Past 70 Years Chen Li and Zhang Hefu talk about the excerpt of Xi Jinping's exposition on building a moderately prosperous society in an all-round way True record: Yao Huan Sunning talks about "earnestly studying the Party Constitution and becoming a qualified Communist Party member" Wang Jianxin: Understanding Mao Zedong's Great Family Style from His Poems Chen Yangyong on "The Party's leadership is the most essential feature of socialism with Chinese characteristics" Liu Yuli Talks about "Carrying forward Chinese Culture to Realize the Chinese Dream" Li Zhongjie on "the unique advantages and confidence of the Party" Xie Chuntao talks about "earnestly learning the valuable experience of the 95 years since the founding of the Party" Yan Shuhan on "Theoretical Innovation and the Great Revival of the Chinese Nation" Fact record: Chen Li and Guo Rucai from the Central Literature Research Office talked about the excerpt of Xi Jinping's exposition on scientific and technological innovation He Xiaoming, He Long's Daughter, Talks about Commemorating the 120th Anniversary of Marshal He Long's Birthday Wei Hong: Constitutional Interpretation of the Overall Goal of Ruling the Country by Law