 And, you know, we look at the stones, we study the walls, and then I started to pick up these strange-shaped stones. And that was literally since 2007 when I first arrived here in the mountains of Mpumalanga province. I started to pick up these elongated stones and these weird-shaped stones. And, you know, for anyone that collects stones, stones don't make these kind of weird shapes. And I was confused. Why are these stones these weird shapes?