Again, dangerous != instantly killing you. At least there were animals and plants in the Andes, and oxygen in the Himalayas. (BTW it was the Denisovans not the

Again, dangerous != instantly killing you. At least there were animals and plants in the Andes, and oxygen in the Himalayas. (BTW it was the Denisovans not the Tibetans. Tibetans got the mutation from the Denisovans).