It may appear as a thin cover, but if you look at the cross-section of it, you may see several layers of snow that had developed through time.
The Alpine countries of France, Austria, Switzerland, and Italy experience the greatest number of avalanches and deaths every year.
Wear an so rescuers can locate you.
At some ski areas, patrols use s to set off avalanches.
Let go of your poles, but still continue to fight your way to the side of the avalanche.
In this picture, snow from a weak layer has been easily scraped away by hand, leaving a horizontal line in the wall of the pit.