Legend has it that in ancient times, Dayu's flood control moved the Jade Emperor. The Jade Emperor sent turtle and snake to help Zhenjiang. The confrontation between turtle and snake across the river turned into two mountains, forming a trend of "turtle and snake locking the river". From then on, the flood subsided and the people were happy. Two cranes overlooking the world, very moved, then out of the world, to Zhao universal celebration. Apart from the legend. "Turtle crane and long age" is often said folk eulogy, "God turtle longevity and longevity" is also regarded as an auspicious omen by the common people, while snake represents long or longevity.