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Difference Maker Shan Sethna teaches avalanche awareness to make backcountry skiing safer

A growing numbers of skiers in Colorado want to try backcountry skiing, away from the groomed and patrolled trails. Shan Sethna's classes help newcomers learn about avalanche dangers.

Emily Palm

The wind howls and the temperature plummets to hypothermic levels. Despite the frigid conditions, Shan Sethna is digging a pit in the snow.