Jiaotai(Unit) Hall of Forbiddencity

Forbiddencity was built by Fengshui theory.

This hall is located between the emperor's palace and emperess palace. It symplizes that the great unit or balance of Yin and Yang: Heaven is Yang where is emperor's palace; Earth is Yin where is the emperess's palace. With this balance, the country can be harmoney, peaceful, and balance!