If I want to build an igloo to keep me warm in a snowy climate, how can I go about this? What size blocks should I cut? How big should the entrance be? How can I mitigate the risk of the igloo ...
What is the best way for a trekking group of two to sleep in deep snow (meter or more). What equipment is to be brought? Preferably, the technique should work on shallow snow and plain frozen ground ...
One recommendation I got in case of emergency or intentional sheltering in a snowy location is to dig a lower hole, so that the cold air can move there, while one can sleep higher up where the heat ...