 if they're not dwellings for people or animals, they must be used for something else. And just like everything else, you know, as you learn, as the years go by and you have more experiences in the stone circles and you go in there with various tools and measuring devices and things, you start to discover things. And that was, again, it was a journey of discovery for me and the many people that I've taken through these ruins with all kinds of various measuring devices.