A group led by filmmaker Jimmy Chin found the boot of Andrew "Sandy" Irvine, the British climber who vanished on Everest alongside George Mallory in 1924. Experts say the mystery involving the duo remains.

The partial remains of a British mountaineer who might — or might not — have been one of the first two people to climb Mount Everest are believed to have been found a century after their ascent of the world’s highest peak.

The find comes 25 years after Irvine's climbing partner George Mallory’s frozen body was also discovered on the Himalayan peak.

In his final letter to his wife, Ruth, before he vanished on Mount Everest a century ago, the 37-year-old Mallory, who once famously said he wanted to conquer Everest "because it's there," tried to ease her worries even as he said his chances of reaching the world's highest peak were "50 to 1 against us.

During the filming of a National Geographic documentary, the remains of a man who died climbing Mt Everest were found over 100 years later. The group who made the discovery included Oscar winner Jimmy Chin,

The enduring mystery of Mallory and Irvine, the tweed-clad heroes of Everest last seen vanishing into a cloud as mist swept over the Himalayan summit, may finally have been solved 100 years on from the tragedy that so nearly ended in triumph.