2. When the stairs are facing the door, it is easy to cause the popularity and wealth upstairs to be revealed when opening the door. It is suggested that a convex mirror can be placed on the stairs opposite the gate to reflect the popularity and wealth back to the house.
3. In terms of modeling, spiral stairs and stairs with turning platforms in the middle are preferred. It is worth noting that the slope of the stairs must be eased to achieve the purpose of hiding wind and gathering gas at home.