Apart from the threat of accidents, avalanches can cause enormous damage to homes and other premises. For this reason, authorities in mountain areas usually take steps to prevent large avalanches. One of these measures is to create the avalanche itself before the start, when the area is evacuated.

Preventive creating a snowball that was recorded Wednesday, December 13 in the morning in the village of La Clusaz, France. An explosive placed on the slopes of the mountain and activated detonator.