No! Not Australia but the Caymans on an Atlantis submarine.
Last man in please shut door!
A couple of port hole views:
A surviving reef.
Yes! You have seen fish before, but, not this one.
Dry and with air conditioning:
NOTE: At 102 feet. They did take us to 106 feet but no further. The next bottom was 2,600 feet away.
A Bit: Here & There 