Introduction to Laojun Hall: Laojun Hall is the main hall of Tianjing Palace. It is 47 meters long from east to west, 28 meters deep from north to south, and 23.75 meters high. It stands on a 2-meter high platform. The Laojun Hall was restored according to the scale of Jiao Zuting and the regulations of the Song Dynasty. It has nine ridges and double eaves, and is majestic and resplendent.