Introduction to the west hall: The west hall is a passing hall. There are two gilded seated statues in the hall: Zhang Cang and Zhang Zhen. The statue of Zhang Zhen faces north. He is a regular servant of the Western Jin Dynasty Sanqi and General Jianwei. He once served as the prefect of Cangwu and Wu counties, the captain of Fengche, and the county power of Fengxingdao. The statue of Zhang Cang faces south. He was the prime minister of the Western Han Dynasty and made great achievements in calendar and arithmetic. achieved remarkable results.