In the wake of the 1996 disaster that took eight climbers in a single day, scientists follow a team of hikers to measure, for the first time ever, the toll high-altitude climbing takes on the heart, lungs, blood, and brain.
SURVIVAL STORIES: https://www.youtube.com/watch?v=f7smgBhuhNI&list=PLL-DlxhBw8TLhaUPlj6gRSl00Ykp9Rvtv&t=0s
#everest #deathzone #NOVAdocumentary