C536 The Shrimp Soldiers at the Bottom of the Well

Yang Chen was a little puzzled. Why was there a prefecture above? There was actually another Prefecture at the bottom of the well?

However, the door of the Prefecture was tightly shut. Yang Chen went forward and knocked on the door. After a long while, the door creaked open.

From inside, an old man's head popped out. His face was full of wrinkles, and his eyebrows were white