 Boom. He made contact with law enforcement. He and his son were out of there in an hour and a half. It took them 36 hours to find the wife, and she was near death, near frozen to death when they found her. She was hallucinating, dehydrated. And so the lesson is a little bit of front-end planning. Tell people where you're going. Ask the locals for advice. Consult a map. Simple stuff like that. Communications. And then any survival gear might have helped, like a blanket.