Sam Woodhead says that he intends to continue his travels in Australia and beyond, despite his ordeal in the outback.
The teenager from Richmond is on a gap-year trip and plans to visit the Himalayas before returning home.
His mother, Claire Derry, who flew out while he was still missing, says she will take a short holiday with him in Brisbane.
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Camden Council is evacuating four tower blocks in the Chalcots estate in north London, to allow "urgent fire safety works" to take place.
Scotland Yard said it was taking action under public order laws over the marches "due to concerns of serious public disorder".
The Football Association says it is hoped that the match will raise around £1.25million for the victims.