Introduction to the Seven-Star Sword: The "Seven-Star Sword" is located in the Cultural Relics Exhibition Hall of Tianshi Temple. It weighs more than 30 kilograms. There are 7 bronze stars on both sides of the sword. It was originally hung in the Bronze Hall, "The Sword of Wisdom hangs high, often "Conquering demons and subduing monsters" is Zhenwu's "mountain-controlling magic weapon". It was cast by Wu Sangui when he rebuilt the bronze palace in the 10th year of Emperor Kangxi of the Qing Dynasty (1671).