Yep, read about it a few times before. Still a cool idea - not sure how tourist-capable it would be. It certainly could dive, but I imagine the maximum depth for it wouldn't be much beyond periscope depth. Though who knows, we have come a long way in advanced building materials...
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There are only forty people in the world and five of them are hamburgers.
-Don Van Vliet (aka Captain Beefheart)
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