Altavia 4000, Nicola Castagna, Gabriel Perenzoni, 82 x 4000m of the Alps
Related news: Nicola Castagna, Gabriel Perenzoni complete the 82 x 4000m peaks of the Alps in 80 days
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Jungfrau and Monch: Nicola Castagna and Gabriel Perenzoni
© Nicola Castagna, Gabriel Perenzoni