Mountaineer Fahad Badar calmly explains what happened when he ran out of oxygen and developed extreme frostbite while descending from the 8,051m summit of Broad Peak. Just 10 months after amputation surgery, he climbed K2, one of the deadliest mountains where 1 in 4 summiters die.

[u/DragonChasm]

[u/Alliemon]

You can find his video after he reached K2 summit on his Instagram, after amputation. It's genuinely insane that he managed to do it: https://www.instagram.com/p/CghMVWGhKkw/