Diving through narrow crevices underwater on limited amounts of air may not appeal to everyone, but cave diver Jill Heinerth wants more people to tap into their inner explorer.
It was only hours after that dive that the entire cave that I'd just been inside of, exploded and broke into chunks of slush as far as the eye could see.
And then you go, 'Wait a minute. I've got to focus,' " says Jill Heinerth courtesy of Jill Heinerth Jill Heinerth diving into the iceberg Jill Heinerth, the Explorer in Residence at Royal Canadian ...