Altavia 4000, Nicola Castagna, Gabriel Perenzoni, 82 x 4000m of the Alps
Related news: Altavia 4000: Nicola Castagna, Gabriel Perenzoni and the 82 x 4000m peaks of the Alps
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Bishorn 4135m: Nicola Castagna and Gabriel Perenzoni
© Nicola Castagna, Gabriel Perenzoni