South Hall in the Back Yand Cibei Nuauery on 1st July arnual meeting of Chinese youth Acdemy began at Central park of Beijing (Zhong-shan park) when the arnual meeting was over chen Yu-sheng helped Li Da Zhao reat two rooms in the back gord of cibei Nunmery chan Yu-sheng told the public that he wanted to wake for his wife buried here but the two rooms were autually for clp's revolutionary ortivities, From than on the rwo common rooms turned memorial place.