How to solve the problem of bedroom window facing north in geomantic omen

In the middle ages, it was difficult to resist the cold wind by weaving windows with paper and thatch, but the north obviously dared not open windows. If there are windows in the north, there will be a lot of evil and evil topics, so the windows in the north must be solved! The problem of north window in modern society has long been solved, and the essence is the use of glass! If you need a more advanced solution, it is to install air conditioning. If you still don't feel at ease: First, put more books indoors. The conclusion written by geomantic omen is that all evils retreat. Second, the red flag, the fear of all evil, red solves all evil.