The photos
![](/uploads/img/3/30039.jpg)
Florian Riegler and Martin Riegler climbing Serac, a possibile new route up Monte Zebrù
© Florian Riegler, Martin Riegler
![](/uploads/img/3/30038.jpg)
Florian Riegler and Martin Riegler climbing Serac, a possibile new route up Monte Zebrù
© Florian Riegler, Martin Riegler