Introduction to Baiyin Aobao Mountain: Baiyin Aobao Mountain (translated as "Rich Mountain" in Chinese) in the protected area is one of the five major Aobao Mountains in Keshiketeng Banner and a sacred place for Mongolian worship on the Gongger Grassland. . The "foot belt forest" used by the Mongolian ancestors to offer sacrifices can be traced back to two thousand years ago. It was actually a way of worshiping around the forest. Later, it gradually evolved into offering sacrifices to Aobao. During the Yuan Dynasty, Keshiketeng Banner had the imperial title of Five Sea Rihan. Hairihan is a higher-level Aobao, a sacred mountain. At that time, there was no distinction between princes, nobility, elders or humbleness. In the early morning of the 13th day of the fifth lunar month every year, Qi Zha Sak would put on his costumes, personally lead his staff to the sea, and kneel and worship in front of Obo. Whole sheep feast. To this day, the custom of Mongolian people worshiping Hairihan continues.