If there is something that gives me panic they are the small and very closed places, but then there is something else that makes me very afraid, and it is the fear of being locked in an elevator.
The horrible feeling of how you lack the air and see the walls so close to you is like ah ah ah asphyxiation.
Anyway, it only happens to some of us, sometimes we exaggerate in hahahha drama. Here is an illustration that occurred to me at work.