Altitude Increases News Today

Filmed such as "into thin air" about the 1996 tragedy that left eight climbers dead. the dramatic scenes, perhaps, adding to the allure that has changed the dangerous mountain into a tourist destination but as the altitude increases, reality sets in. >> you can breathe for a while. youre sort of losing ground as you do without oxygen. >> reporter: in 2012, american joe pratt struggled with the lack of oxygen at such a high he have lags, though he survived. >> everyone who climbs mt. everest and ...