Introduction to Yuanyang Spring: Yuanyang Spring Scenic Area is located near Fengshan County. It consists of two secondary scenic areas, Yuanyang Cave and Chuanlongyan. The geological relics are distributed in the Qiaoyin Underground River Basin on the east branch of Poyue Underground River. Yuanyang Spring, also known as Gongmu Pond, is a perennial spring, divided into South Spring and North Spring. The altitude is 495 meters. The two springs are about 20 meters apart. One blue and one green in color, it was the top of the "Eight Scenic Spots of Fengshan" in ancient times.