Is there cave exploration with drones?

I think what I’m about to propose is kind of like suggesting pineapple pizza to Italians, sorry, haha.

The thing is, I’ve been passionate about caves and exploration since I was a kid. I did some basic climbing activities, but nowadays I have back injuries that could get worse with many types of high-risk sports, plus a bit of claustrophobia (manageable, but it adds up).

So I was wondering how feasible it would be to explore caves with drones, the technical, legal, and moral possibilities (I’m not sure if there are any moral considerations to take into account) of doing cave exploration with a drone as a hobbyist. For example, reaching the entrance of a cave or crack, maybe even partially entering if it’s accessible, and then starting to explore from there.