I have, and it's fascinating. I once spent several hours watching them. My job now seems to be more about caring for them and collecting honey, so I doubt I will have as much time to watch them as I would like, but I'm still looking forward to it, and you're most welcome to come and observe them, Iliana!
As long as you are not allergic to bees. They really do not sting unless provoked, but I would hate for something to go wrong and for you to end up in anaphylactic shock.