Original sentence: He died  during a training in Arnaud, Valle d'Aosta
Edited sentence: Bivacco Lomasti: A bivy in Pontebba.Despite short activity, several places bears Lomasti name.He died  during a solo training in Arnaud, Valle d'Aosta.His life as a professional climber spanned just three years, from 1976 to 1979), with an impressive list of ascents.Lomasti Pillar