Why are placed mirrors in the elevators ?

Why are placed mirrors in the elevators ?

          
         

          Is placed mirrors in the elevators because they operate as a ploy to facilitate wait to users of elevators., And to distract their attention to something else even fade awe of the enclosure and the fear of the place .. It's also a factor helps to sense that the offices more extensive not a person feels suffocated and studies say that people like to consider to themselves, and when the user looks at himself in the elevator That makes the waiting period passes quickly.