The photos
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Stepahn Siegrist climbing in perfect rock on Silberrücken up the Jungfrau
© Frank Kretschmann
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Roger Schäli on the crux of pitch 6 (8a+) of Silberrücken up the...
© Frank Kretschmann
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Stephan Siegrist climbing the headwall of Silberrücken up the Jungfrau
© Frank Kretschmann
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The Silberhornhütte on Jungfrau
© Frank Kretschmann
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Jungfrau Westface / Rotbrätt
© Frank Kretschmann
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Robert Jasper during his solo climbing expedition to Greenland
© Frank Kretschmann