We are sorry, you need to be a subscriber to watch this videoWe are sorry, you need to be a subscriber to watch this videoIt was the busiest day the world’s highest mountain had seen — but behind the peaceful image of climbers queuing at the summit of Everest lies the untold story of what could have been a great tragedy. Not once, not twice, but more than 20 times oxygen equipment failed in the “death zone” above 26,000ft as a record number of people took advantage of calm conditions to reach the peak. The equipment supplier, Summit Oxygen, said that in the previous six years its devices had never failed. But on a single day this month, set after set did so. With 140 people dependent on oxygen on the Nepalese side of the mountain and more arriving at the summit from Tibet, the failures threatened to be…

Source: The Times May 26, 2018 23:04 UTC