Why is the forbidden city symmetrical?

The Forbidden City is designed symmetrically to embody the principles of harmony and balance central to Chinese cosmology and philosophy. This symmetrical layout reflects the importance of order in imperial power, symbolizing the emperor's role as the mediator between heaven and earth. Additionally, the design aligns with Confucian ideals, emphasizing hierarchy and stability within the imperial court. Overall, the symmetry serves both aesthetic and symbolic purposes, reinforcing the authority of the emperor.