Introduction to stories in the cloister: The 12 historical stories introduced in the cloister are Dayu leading the weak water into the quicksand, King Zhou Mu visiting the west to visit the Queen Mother, Huo Qubing conquering Hexi, Duan Ye separatizing Jiankang and Jianbeiliang, and Wang Xiaojie setting up The Jiankang Army, Xuanzang of the Tang Dynasty passed the Taizi Temple, Yang Bo built the Great Wall in Hexi, Nian Gengyao unified the water in the Heihe River, Mu Guotun built the Sanqing Canal, Guo Changshuang established the county school, Dong Zhentang fought bloody battles on Gaotai, and Gaotai was peacefully liberated.