1, you can only choose the elevator to go up and down the stairs. If it's stairs, it's really tiring, but if the elevator design is unreasonable, it's difficult to wait for the elevator.

The air in the elevator above 2.20 floors is actually very inappropriate for people with breathing problems, which is easy to cause poor breathing and thin air.

3. The higher the floor, there is nothing that may shade the sun, which may lead to a particularly long time of direct sunlight in summer, just like a steamer, and it will be particularly cold in winter.