What is the mound on the dam of Luhun Reservoir?

The soil pile on the dam of Luhun Reservoir is a gravel dam shell with sloping soil wall.

1. The remains of the ancient city of Luhun Village became Cheng Nan, and the mound where Luhun Primary School was located became the only remains of the ancient city.

2. Yihe Reservoir in Songxian County was named Luhun Reservoir.

On the one hand, the village below the reservoir is called Luhun Village.