Avner Magen, a computer science professor, and Andrew Herzenberg, a biologist, were climbing a glacier in Alaska.
… Maureen McLaughlin of Denali National Park and Preserve, said avalanches are “not uncommon this time of the year in the area where they were climbing. The temperature gets warm and snow gets heavier . . . and we see avalanches.”
The park is best known among climbers for Mount McKinley, the tallest mountain in North America.