s derring-do adventures go, it’s one thing to blithely sail into the flooded caldera of an active Antarctic volcano, but it’s quite another to then climb into a submersible and drop, Jules Verne–like, to the bottom of that caldera. Yet this is just one of the novelties dreamed up by luxury cruise lines in answer to the age-old question: how do you keep entertained a clutch of well-heeled passengers who have ponied up a small fortune to explore
What Lies Beneath
Mar 03, 2023
3 minutes
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