<prompt> Bhala okuqhubekayo kwalesi sigaba - Imigwaqo yokungena iye yathuthukiswa kancane kancane, futhi muva nje izembozo ze-avalanche ziye zanwetshwa ohlangothini oluseningizimu. Inhlekelele yomhubhe waseMont Blanc ka-1999  <response>: kwaholela ekubuyekezweni okukhulu kokuphepha komhubhe womgwaqo emazweni amaningana kuhlanganise neSwitzerland, futhi kuhlelwe ukuthuthukiswa okukhulu kokuphepha kweGrand St Bernard Tunnel. Umkhawulo wejubane ongu-80 kmh 50 mph usuvele usebenza ngaphakathi emhubheni. 