After three days, they give up. They go to the pond for the last time and find that the pond is full of beautifull flowers. Tears dry out. They are amaze by the flowers. Sadness become happyness. They believe that Xi Lian already reincarnation into flowers, so they call that flower Lian Hua.

Since that, they call that pond Xi Hu, which means hapiness pond. Xi from Wang Xi Lian.