Realizing they were not in its path, the men watched as a huge mass of ice, 50 feet thick, broke off the glacier just above them and collapsed with a roaring blast of icy wind.

• 这些人就在发现雪崩非朝他们而来，目睹约50英尺的大量冰雪脱离了距头顶不远的冰河，大举崩落，在轰隆巨响中掀起一阵冰风。