Solo and at an exhilarating speed, Dani Arnold climbed the north faces of the Eiger, Matterhorn, Grand Jorasses, Grosse Zinne, Piz Badile and Petit Dru. NDR...
Professional climber and mountaineer Filip Babicz has conquered the four ridges of the Matterhorn solo in under eight hours. The Pole climbed the Valais landmark...