Introduction to Honggeer Aobao: Honggeer Aobao is the largest Aobao on the Ulanqab Grassland. It is built on the top of Honggeer Mountain with an altitude of nearly 1,700 meters. Aobao is 9 meters high and divided into three floors: the upper, middle and lower floors. The circumference of the bottom floor is 15 meters in diameter and two meters high. It is a large Aobao.