 Nick would take them into hiding for years, across the world, to the most remote place they could think of, the wilds of Australia's outback. Here, the family could stay together. But as supplies ran low, and isolation and crocodiles nipped at their heels, things got more and more desperate. We were living in paradise, and it was, you know, it was living hell for all of us. We had to get out. One family's epic walkabout, after the BBC World Service News.