Deep pockets are necessary, too – expeditions cost in excess of £40,000 – and plenty of time.
Since Hillary and Tenzing conquered Everest in 1953, over 4,000 people have scaled its summit, but anyone contemplating ascending the highest mountain on the planet requires a special mix of fitness, skill and bravery bordering on insanity. Deep pockets are necessary, too – expeditions cost in excess of £40,000 – and plenty of time.