2. Lee Kuan Yew, Li Ka-shing and Wang Yongqing are very particular about the furnishings of their offices. Do they believe or are they superstitious?
According to geomantic omen, cactus is used to ward off evil spirits. Assuming that there is no roof beam coping or window-shaped rush, it can be used to block. In other cases, just let it go.
In addition, broadleaf plants can improve wealth and regulate feng shui, but they should be placed carefully, preferably at home.
If you don't care about feng shui, putting cactus can release negative ions, and it is said that it can also weaken radiation, which is still beneficial.