Introduction to the ten thousand acres of grassland on the top of the mountain: Stretching 6 kilometers from east to west, it is unique in the country and vast. Legend has it that Xu Da, the founding general of the Ming Dynasty, passed by this place before the Northern Expedition. He found the beautiful mountains and green trees here, surrounded by Bailong Lake at the foot of the mountain, and endless acres of grassland at the top of the mountain, so he ordered his troops to camp on the top of the mountain. During the military training, Zhu Yuanzhang visited this place many times to visit and express his condolences. Later, after the Northern Expedition was successful and Zhu Yuanzhang wore the yellow robe, the place became famous and people called it "Paoma Ridge".