Two explorers venture into the Seti Gorge of the Himalayas, a chasm so narrow and deep that none have descended into it, while research exposes the geological origins of the gorge.

At least 25 people remain trapped under snow after an avalanche struck the Indian Himalayan mountain state of Uttarakhand, authorities said on Friday, following recent heavy snowfall in the region.

Two days ago, they reportedly lost crucial equipment near Chaukhamba III when one of their bags fell into a deep gorge ... the largest glacier in the Indian Himalayas. This region is deeply ...