Big crevass into the Pic Tyndall glacier. In foreground the starting of the Furggen grat (on the right the Cima Furggen 3.492 m). In the background the Monte Rosa group, from the left; Nordend, Dufour, Zumstein, Signalkuppe, Parrot, Lyskamm, Breithorn, klein Cervino and Gobba di Rollin.