Crazy facts about planes that airline workers won't tell you

The world of commercial aviation is still a complex and mysterious place.

After all, there's nothing normal about being flung across the sky at 500 mph in a pressurized metal tube that's strapped to jet engines while sipping on a drink and watching a movie.

There are many are odd things about flying that most passengers don't know.

Here are some things airline workers won't tell you.