There is a saying among the people that "you can't hide from the first day, but you can't hide from the fifteenth". /kloc-The numbers on the 0/5th floor represent disasters and calamities, and some bad things are easy to happen. Therefore, many people are afraid of the15th floor and think that the feng shui on the15th floor is bad and unlucky.
Note: The above contents are for reference only, so don't be superstitious.