In a spur-of-the-moment decision, the Australian Tromp family decided to take a long road-trip to different parts of Australia for a reason that remains unknown today. Why (and how) did the Tromp family manage to stay on the road for as long as they did, separate, and leave only two of the children to return back to where they came from? How did the others become institutionalized, and for what reason?

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Pictures and sources found here.