<prompt> Qedela umusho olandelayo: Imigwaqo yokungena iye yathuthukiswa kancane kancane, futhi muva nje izembozo ze-avalanche ziye zanwetshwa ohlangothini oluseningizimu. Umhubhe waseMont Blanc  <response>: Inhlekelele yango-1999 yabangela ukubuyekezwa okukhulu kokuphepha kwemigudu yemigwaqo emazweni amaningana kuhlanganise neSwitzerland, futhi kuhlelwe ukuthuthukiswa kokuphepha okuphawulekayo kweGrand St Bernard Tunnel. Umkhawulo wejubane ongu-80 kmh 50 mph usuvele usebenza ngaphakathi emhubheni. 