I 'climbed' Mauna Kea (mostly driving to the top, with a short hike from the parking lot). 13803'. Simply walking at that altitude, which is less than half the

I 'climbed' Mauna Kea (mostly driving to the top, with a short hike from the parking lot). 13803'. Simply walking at that altitude, which is less than half the height of Everest, was so uncomfortable that I couldn't wait to descend. I can't imagine being at 29000 feet. I imagine it would feel like a living death.