Watch on HDtoday. An old film about the mountains of I Denti della Vecchia, a mountain group in the Lugano Pre-Alps, between Switzerland (Val Colla) and Italy (Valsolda). It was produced the year of the inauguration of the Capanna Pairolo, the hut on the Italian side. The film features some of the first rock climbing enthusiasts in Ticino. Hugo Bernasconi, Aldo Magistri and Arturo Belloni climb the Spigolo Sud Est and later, they make an spectacular rappel.