Free Online HD on Lookmovie. Is it possible to climb an 8,000m mountain in two weeks? What sort of acclimatisation is necessary and how does it affect the body? These are the questions Kilian Jornet and Emelie Forsberg were asking themselves. To find the answer they set off to climb Cho Oyu using a new method of acclimatisation that could revolutionise climbing. Would it work?