For Gianni Mazzone having enough stamina to reach the summit and return safely is key to factor into a climb (John Heilprin/swissinfo.ch)
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There was more snow than usual in late June on the Rimpfischhorn (John Heilprin/swissinfo.ch)
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Mazzone, left, and Matthias Taugwalder, are direct descendants of the guides from the first Matterhorn ascent (John Heilprin/swissinfo.ch)
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High exposure on the final ridge to the summit of the Rimpfischhorn (John Heilprin/swissinfo.ch)
Keystone
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