Living room introduction: The old site has witnessed many important historical events, such as the establishment of the provincial branch of the Communist Party of China and the Hunan branch of the Communist Party of China on October 10, 1921; the establishment of the Hunan District Committee of the Communist Party of China around May 1922, etc. From the winter solstice of 1921 to April 1923, Mao Zedong and Yang Kaihui also lived here.