After heavy snowfall, you have to be careful again for avalanches in several ski areas. Five winter sports enthusiasts have already lost their lives in Switzerland, Austria and France. How does this life-threatening natural phenomenon arise? How can you avoid getting caught in an avalanche? And what do you do if that does happen? Avalanche science teacher Géza Tóth gives tips. “You have at most 18 minutes before the oxygen under the snow runs out. Hypothermia usually only occurs after 35 minutes.”

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