https://www.lacrux.com/alpinismus/extrem-schwierige-mixedroute-erstbegangen-yannick-glatthard-klettert-hall-of-fame-400m-m13-wi6/
Extrem schwierige Mixedroute erstbegangen: Yannick Glatthard klettert Hall of Fame (400m, M13, WI6+)