Why does it take so many people to say the same thing?
I think after the second post we realised it was to ensure that C/Crew can see an emergency outside of the aircraft.
It makes me laugh 'how many people it takes to change a lightbulb' so to speak! You've all said the same thing, just in different ways :-)
I bet you didn't anticipate this much of a response, did you CharlieGulf! :-)