2. In Feng Shui, the so-called "good wind gathers wealth, and ghost wind hurts the spirit". From a scientific point of view, if the building is concave or L-shaped, the wind will easily rub or rotate inside and make a sound, especially when the wind is strong, it will make a sound similar to the "Ghost Crying God", which will cause mental and real life interference to the residents in the house, especially when they sleep in the middle of the night, which is more likely to cause panic or paranoia, and residents are prone to mental problems for a long time.