High Quality Content by WIKIPEDIA articles! Ancient Chinese urban planning is the application of the traditional principles of Chinese architecture to urban design. These traditions can be summarized as: fengshui geomancy and astronomy; the well-field system; gaitian cosmology; qi as a medium of energy connecting man, earth, and heaven; political power shared between a military aristocracy and educated advisers; the holy place bo; a three-tiered economic system under absolute state control; early writing; and the walled yet portable capital city as a diagram of political power.