Nine crampon-footed hikers crunch up the slope of Athabasca Glacier before stopping to catch their vaporous breath.

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Sir Edmund Hillary's ghost would come down and beat you senseless with a crampon, but you could wear it.

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The man had only one crampon on -- no gloves, no mask.

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The summit day begins in headlamp light at 1 am, when a line of trekkers kicks crampon spikes into the crunchy snow and trudge slowly to the peak, hoping to summit at dawn.

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