arctic
Ice, endurance, and people who went north and stayed too long.
Punctilio
After turning back at 86°14′N, Fridtjof Nansen wintered on Franz Josef Land with one companion in a single walrus-skin sleeping bag, and for 234 nights the two men addressed each other as *De* — the formal you.
The Last Flight of Roald Amundsen
Why did the most meticulous explorer who ever lived climb into a prototype flying boat to rescue a man he openly despised?