Blizzard survival skills: Building a snow hole
Frozen mountainous landscapes can be beautiful and attractive places to do winter sports, but the weather can also be unpredictable and extreme.
The BBC Travel Show's Joanne Whalley finds out what to do if you get caught out and become lost in a blizzard.
Warning: Never mountaineer in bad weather conditions without an experienced guide. Snow-holing should only be attempted with expert guidance.