Introduction to the Gate of Supreme Harmony: The solemn gate outside the Forbidden City was called Fengtian Gate and Huangji Gate in the Ming Dynasty. The existing building was rebuilt after a fire during the Guangxu period of the Qing Dynasty. The gate tower is located on a white marble base. There are four bronze tripods under the Dan Majesty. There are stone pavilions and stone chambers on the left and right in front of the door, as well as two of the largest bronze lions in the palace. Cast for the Ming Dynasty.