I would imagine being an air traffic controller right now would be very stressful. London Heathrow is one of the busiest airports in the world, Gatwick is also

I would imagine being an air traffic controller right now would be very stressful. London Heathrow is one of the busiest airports in the world, Gatwick is also pretty popular as well. Having to reroute planes out of London to alternative airports throughout Europe must be one hell of a task. But having said that, I bet every major airport in the world has a plan B for this kind of thing.