Photo above: Peter Bregg The sun dawns on the snowy peak that pokes above the clouds, dabbling light on Mount Everest’s Hillary Step, the last death-defying rock wall before the summit. Below the clouds, at ground level, a collection of coloured shapes — red, yellow, blue, green, orange — spreads out like flags signalling a colourful denial of death. They are the tarpaulins that have become home to the survivors …