Introduction to the Haoranting Grottoes: The Haoranting Pavilion was first built in 1937. At that time, He Zhuguo, the commander of the Second Army of the Northeastern Army of the Kuomintang, and Zhao Ji, a passionate patriotic soldier, wrote the alliance in front of the hall and wrote in his own hand "the righteousness of heaven and earth" as The forehead of the pavilion strengthens the theme of "Haoran Pavilion".