When did Feng Shui originate? Who is the initiator?

Geomantic omen, originally a technique for observing geography, was also called geomantic omen in ancient times, or geomantic omen theory. It is said that the founder of Feng Shui was Jiutian Xuan Nv, and the relatively perfect Feng Shui consultation originated in the Warring States Period. The core idea of Feng Shui is the harmony between man and nature. Early geomantic omen is mainly related to the site selection, orientation, construction methods and principles of palaces, houses, villages and cemeteries. Its original intention is to choose a suitable place.