Instead of recovering those who failed to climb Mt. Everest, other hikers just use their corpses as waypoints.
The more you know...
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I remember when they found George Mallory. He was one of the original climbers trying to reach the summit. It is just way too difficult to try to remove the deceased from that far up. Those who would try would likely become the next residents. It's too much work and the only way to do it is manually.