Late in the summer, McGregor wiggled through a small hole in the ice and found a wide passage arched like a railroad tunnel ... clear ice show where winter rains pooled on the glacier or filled ...

In 1942, Glacier Girl was a brand ... When you look below, the tunnel seems endless. And when you look straight ahead you see bands of clear blue ice representing year after year of Arctic winters ...

we were in a winding arched tunnel of ice some 10 metres wide and 100m long leading deep into the glacier's heart ... from an icy cocoon of perfectly clear ice. As it broke free and leapt into ...