There are several eight-thousand-meter peaks on our planet that are far more dangerous and difficult than Everest. The most formidable of them is K2 — 8,611 meters high, the mountain of mountains. This film explores why K2, rather than Everest, is the ultimate dream of climbers, and how extreme altitude changes people. The mountain of mountains is the best place on Earth to test your altitude gene. For the first... see more