Le foto
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Charles Pilkington: Pic Jocelme (Groupe de Bonvoisin) 12/07/1879
© Archivio Ascenzi Gogna
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Pierre-Henri Puiseux: Aiguille de Péclet (Massif de La Vanoise) 22/08/1877
© Archivio Ascenzi Gogna
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Ludwig Purtscheller: Uhuru Peak (Kilimanjaro) 06/10/1889
© Archivio Ascenzi Gogna
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Hermann von Barth: Kaltwasserkarspitze (Karwendelgebrige) 15/08/1870
© Archivio Ascenzi Gogna