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Our life is short. The memory of mankind as a whole is poor. The few mountain collapses that we experience in our lifetime leave us with the impression that these collapses are very exceptional, extraordinary events. However, that is not the case. Mountain collapses are normal events in the mountains, especially in the high mountains, where they have an important natural role to play in helping to form and shape the mountains; a process that continues relentlessly and steadily. In the mountains we have to expect mountain collapses from time to time, from place to place.