Mind the extreme altitude sickness (hypoxemia, hypocapnia, alkalosis). HRA Pheriche Aid-post of Himalayan Rescue Association. It has helped and saved many lives in the Khumbu Himalayas of Nepal. Pheriche, Nepal.
<a href="//commons.wikimedia.org/wiki/User:Argenberg" title="User:Argenberg">Vyacheslav Argenberg</a>
CC BY 4.0
<span class="int-own-work" lang="en">Own work</span>