What is the pinyin of the Forbidden City?

Hello, the pinyin of the Forbidden City is Zijin, which is the third pronunciation of Jin and the fourth pronunciation of Cheng. The following is a brief introduction of the Forbidden City. This city is located in the center of the inner city of Beijing. The Forbidden City was built in the Ming Dynasty. There are four gates in the south, meridian gate in the north, Shenwu gate in the east and Xihua gate in the west. The name of the Forbidden City is the palace of the Ming emperor, which was borrowed from Wei Zi Garden. Secondly, according to the ancient literature of China, according to the long-term observation of celestial bodies in space, Wei Zi always lives in the center of the sky and is the residence of the Emperor of Heaven. Therefore, it was named the Forbidden City.