Under Thin Ice
- Episode aired Nov 8, 2019
In the Arctic, life thrives on the ice and under it. But for how long? Extreme diver Jill Heinerth investigates.In the Arctic, life thrives on the ice and under it. But for how long? Extreme diver Jill Heinerth investigates.In the Arctic, life thrives on the ice and under it. But for how long? Extreme diver Jill Heinerth investigates.