"The area from the Meije valleys to La Grave is unique in the world. Up high, a small ski lift serves a piste on the glacier. Apart from that, there is nothing or close to nothing ... the only things are off-piste, ski-touring routes on the glacier, valleys, couloirs and forest -- almost 2000 vertical meters of pure mountain. Here, outside the only marked trail, there is no ski patrol and the area is not secured. Skiers accept their own responsibility. Keeping with the image of the area, the system established by La Grave is, to our knowledge, the only one like it in the world. We are four...