Avalanches, snow avalanches or Truoi, English is the Avalanches, is the phenomenon when a large amount of snow, usually mixed with water and air, the sudden flush down the mountainside. Avalanches are the biggest threat to cause loss of life and wealth in the cold mountains.
Avalanches have added the rock when pushed.
Avalanches occur in three forms. The first case is when the amount exceeds the durability cutting snow making snow slithered downhill view from above like tears. Case two is when a specific background in the snow because the snow sliding down the bottom are not strong enough to remain in place. This is the driving force caused 90% of casualties because the snow thickness to several meters, and the width can be up to several hundred meters. The third case is when the snow waterproof.
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