Jill Heinerth: into the deep
As a cave diver, Jill Heinerth has one of the most dangerous jobs in the world. But the risks are worth it to experience the wonder of these remote caverns – and to educate people on protecting our oceans
As a cave diver, Jill Heinerth has one of the most dangerous jobs in the world. But the risks are worth it to experience the wonder of these remote caverns – and to educate people on protecting our oceans