William Bon Mardion: a working class hero (Full Version)

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Some people know him as an athlete sponsored by La Sportiva, others as a leading ski mountaineer, still others as world champion and many times winner of the most important alpine ski races (William is also the champion of one of the most prestigious competitions in the Alps, the Pierra Menta). Indeed, in the case of French born William Bon Mardion, there is much more than all this.