《太平广记·卷四百六十五·水族二》
兴州有一个地方叫雷穴，里面常有半穴水，每当打雷时，水就满穴并往外流，鱼也随水流出来。
兴州有一处名雷穴，水常半穴，每雷声，水塞穴流，鱼随流而出。
In Xingzhou, there is a place called Thunder Hole, which often has half a hole of water. Whenever it thunders, the water fills the hole and flows out, and fish flow out with the water.