This is the only image, that I managed to take of the palace’s chapel, the tiny Oratorio di San Giorgio. A few seconds later a grumpy guardian told me it was forbidden to take photos. Thankfully he didn’t ask me to delete this one 😃
Fact is, I’m happy to pay for a photo permit, but more often than not there is no choice. It’s not much of a problem in Italy though, and almost none in Austria.