<p>Historian Walt Unsworth once said, "Had Mount Everest been climbed at the first attempt, the achievement would have been hailed as notable and then quickly forgotten. It was, ironically, repeated failures which gave the mountain real stature."</p>

Mount Everest in the Morning

Historian Walt Unsworth once said, "Had Mount Everest been climbed at the first attempt, the achievement would have been hailed as notable and then quickly forgotten. It was, ironically, repeated failures which gave the mountain real stature."

Photograph by Bobby Model

Climbing Mount Everest

See photos of climbing Mount Everest, as selected by National Geographic editors.

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