See Daniel's message from Everest.
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Climber leaving red nose on top of Everest for charity

1 May 2013 Last updated at 07:54 BST

A climber is trying to raise a million pounds by climbing Everest and leaving a red nose on the top.

Daniel Hughes is doing the challenge for Comic Relief.

Mount Everest is the highest mountain on earth at almost 8,900 metres tall.

Conditions are really tough for climbers because there is less oxygen that high up and it is really cold.

He is already three quarters of the way up to the top.

Daniel sent us this message from the mountain.