The technique requires a parachute adapted for use by climbers.
However, there have been other claims recently by China and western climbers.
There are multiple bolted routes here, put up by various local climbers.
To climb back up takes approx 40-60 minutes by experienced climbers.
At present the walkway is accessible by climbers but it is dangerous.
There had been several previous failed attempts on the face by other climbers.
A visit by international climbers in 1971 saw the standards of free climbing increase at the park, with many new bold routes being led.
The mountain itself was first explored in the 1960s by local climbers, including Dallas Kloke.
Minutely detailed maps used by climbers in the Champoluc district.
The dispatches sent back to Seattle by climbers on all three teams make up the heart of the coverage.