How do you end up in a cave, cut offfrom the rest of humanity by six kilometres of difficult underwater tunnel, listening to things that go bump in the night?
Times, Sunday Times
If something goes wrong 10 kilometres down an underwater tunnel, you usually have until your air runs out to find a solution or make your peace.
Times, Sunday Times
He also tweeted about the possibility of inserting a nylon tube into the cave and inflating it to create an underwater tunnel.
The Sun
The 27-hole course will be set on three islands, linked by an underwater tunnel, complete with undersea club house.
The Sun
At the time of its construction it was the longest underwater tunnel in the world, a title it held for 24 years.
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