The huge mass of ice extending from the Jungfrau glacier down to the Rhone valley is 22 kilometres long, but it is impossible for anyone observing it to judge its real size. Although the ice seems to be still, it is really moving all the time and changing constantly: a process that has been going on for thousands of years. The 27 billion tons of ice move at a speed of 200 metres a year dragging enormous blocks of rock down towards the valley.
A team from the SWR Swiss television was flown, together with 700 kilos of equipment, by helicopter to the crevasses, hummocks and gorges on the Aletsch ridge. They were therefore able to film at close quarters the fascinating and surrealistic architecture of ice and go down with their cameras into the glacier’s crevasses and caves where the walls glow with enchanting shades of blue.