Entering a deep freeze preserves "youth"... sorta.
There's a mountain range in them thar ice sheets--- 2 miles down buried, yet rising upward of 8,000 to 15,000 feet ! Gamburtsev Mts. Not only that, but liquid lakes at the base of the mts. are buried too--- still as liquid, not ice.
Antarctica: The only place on Earth where seals can climb to the tops of mountains and play!