Chi sono le sei vittime italiane di Crans-Montana
Sofia Prosperi, the youngest victim
of the sixteen-year-old Milanese Achille Barosi, the almost seventeen-year-old Genoese Emanuele Galeppini, and the sixteen-year-old Milanese Chiara Costanzo, along with the fifteen-year-old Italian-Swiss Sofia Prosperi and the sixteen-year-old Roman Riccardo Minghetti