Why are there 9999 rooms in the forbidden city in Beijing?

The Forbidden City in Beijing is traditionally said to have 9,999 rooms, a number that reflects the significance of the number 9 in Chinese culture, which symbolizes power and eternity. The imperial palace complex was designed to showcase the grandeur of the emperor's authority, with the number of rooms representing the imperial lineage and the connection to heaven. Additionally, the construction features and layout emphasize harmony and balance, aligning with ancient Chinese cosmology. However, the actual number of rooms is slightly less, with estimates around 8,700, revealing the exaggeration often associated with historical claims.