Life in the North – is the existence on the edge of the Ecumene – the probable inhabited world. During about six months of the year it is enough to spend half an hour in the outdoors without clothes to freeze. Here are the harshest conditions for a life on Earth: nowhere in a desert healthy person dies within 30 minutes exposure to the air. The cold affects both people and technics. The average winter temperature in Siberia drops down to – 50 degrees Celsius. Here are the most severe road and weather conditions in the world.