Introduction to the Central Government Auditorium: The auditorium faces south and covers an area of ​​1,500 square meters. It is shaped like 8 corners. When viewed from a high altitude, it looks like an octagonal hat of the Red Army. Above the door of the auditorium, there are 14 large characters "Provisional Central Government of the Soviet Republic of China", which were written by Huang Yaguang, the "Soviet Area Scholar". The auditorium has two floors, with a cloister-style floor and stepped balconies. The downstairs is semicircular. The entire auditorium can accommodate more than 2,000 people.