Are you planning air travel over the next week or two? You won't be alone. Here's an example of what air traffic controllers in this country have to deal with on a daily basis ...
Or maybe you'll be traveling to Europe? Check out this mind-boggler. About halfway through the video the map turns on its axis and it looks, literally, like a beehive of activity.
Wasn't that interesting? I seem to remember hearing or reading about how air traffic controllers often suffer 'burn out' from the stress of their jobs. That sounds quite plausible.
Now, for a worldwide look at air traffic over a 24-hour span, have some fun with this 72-second clip. I found it mesmerizing.