On his 73rd birthday, the national flag was raised first and then the dove was released. On the 73rd birthday, the national flag must be raised. When the national flag is placed at the top, it means that China is one year older. At the end, a white dove is released, which represents peaceful growth in the new year. The 73rd birthday represents the 73rd anniversary of the founding of China and the 73rd birthday of the Republic of China.