Yuyangli is a small alley on Huaihai Road, and it is particularly quiet on the bustling Huaihai Middle Road. This is the old site of the Communist Youth League Central Committee, where youth groups who are desperate for a new road to the Chinese revolution have been born. There is still movement here, and occasionally young student groups come here to hold a group swearing-in ceremony. Looking at the young faces, you will feel that the country is full of hope.