Yin Zhai refers to the graves or monuments of the dead, while Yang Zhai refers to the houses or houses of the living. Therefore, just because a house is blocked from sunlight does not mean that it is a shady house.
Besides, Feng Shui is a superstition, and there is no scientific basis to prove its authenticity. Therefore, we should treat the theory of Feng Shui rationally and not be overly superstitious.