Introduction to the Cangzhen Pavilion: The Cangzhen Pavilion (main hall) was originally built behind the west garden of the Nanjing Celestial Palace and was originally named "Cangzhen Pavilion". It is named after it contains a priceless treasure, which is entirely inlaid with jade and is called "Lotus Leaf Egret Picture". "Cangzhen Pavilion" is the largest and tallest building in the Taiping Heavenly Kingdom City. It is 33 meters high and has a construction area of ​​6,740 square meters.