The following is a guest post by Michelee Morgan Cabot, author of Fly Over Down Under. If you would like to write a guest post on my blog, please send me an e-mail at contact@cecilesune.com. On the wide South Australian desert horizon, flat and vague, slowly appeared low undulating mounds. Nothing spectacular – but the nearer we got, some appeared strangely, smoothly, cone-shaped. Mysterious piles like giant anthills – but not. As…