In fact, the astronomical clock on the Old Town Square is also a part of the Old Town Hall. The door next to the astronomical clock with the national flag in it will be able to buy tickets to climb to the top of Tianzhong Bell Tower, overlooking Prague Square is the most beautiful scenery. The old city hall was built in 1338, and it has a history of nearly 700 years. It has a very long history. But most of the real city hall buildings were destroyed after World War II, leaving only the south side of the building. What we see now is only a part of the original building.