Question

why does mountaining dig around the tent​

Answer 1

Answer:

Drain was dug to keep off insects, scorpion, snakes etc.

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Answer 2

Answer:

Exhausted climbers struggling to breathe and battling nausea leave heavy tents behind rather than attempt to carry them down. ... Some climbers do not use makeshift toilets, instead digging a hole in the snow, letting the waste fall into small crevasses.