Introduction to Yudai River: A river as clear as jade runs through the north and south in the Jade Expo Park, named Yudai River. This river is the main tributary of the Shi River. Along the Shi River you can reach the Huai River. It once overflowed and the waves rolled like jade and gold. After the overall landscape transformation, the cascading landscape, the water-friendly platform, and the water padding stones have become important natural landscapes of the Jade Expo. The river is sparkling, like jade, satin, rainbow, and fantasy. The buildings built with beautiful stones on both sides of the river are green. Green, winding rivers, winding.