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When did Feng Shui theory come into being

Qin era there have been activities with the house, the living residence with one hand, on the one hand with the dead cemetery. At that time, the Xiangzhai had become a kind of Shushu.

In the Han Dynasty, there were many taboos in the art of Xiangzhai, such as "time, position, Tai Sui, east and west benefit house, Xing Du Shang tomb " and so on. At the same time, a number of feng shui books such as the "Migration Law", "Picture House Technique", "Compassion to the Scarcity", and "Topography of Palace Houses" appeared.

Among them, "Compassion to Deficiency" talks about the five elements, linking the five elements and the house with the owner to judge good or bad luck; while "The Topography of the Palace" talks about the shape method, discussing the choice of the foundation of the city and the palace from the aspect of natural terrain. It can be said that they are the theoretical sources of the rationalism and the situationalism.