A hundred feet away, YMCA camp counselor Tyson Goeppinger, who had led his own group up the mountain to see the ice cave minutes before, heard a deafening roar and felt the ground shake.

• 在一百多英尺外，基督教青年会的顾问泰森才在几分钟前领着他的小组队员看过那山的冰洞。他听到震耳欲聋的咆哮声也感觉到了地下的震动。