Nepal, Jan. 10 -- Did George Mallory and Andrew Irvine of the 1924 British Expedition reach the top of the highest mountain in the world?

It has been more than a century after the two climbers were last seen just 300m below the summit. And 26 years ago Mallory's remains were found on the North Face of Everest, while Irvine's boot was located at its base.

Some doubt that the two could have reached the top with the level of equipment and clothing of the time, but others are convinced that at least one of them made it but had an accident on the way down.

Among those who believe Mallory and Irvine were the first to climb Mt Everest, and not Hillary and Tenzing in 1953, are the Nepali guides who took part in the research expeditions in 199...