Down River

In 1924, George Mallory and Sandy Irvine disappeared into the clouds encircling the peak of Everest. Whether they were the first men to reach the top of the Earth's highest mountain remains a mystery. They never returned from their ill-fated expedition. Seventy-five years later, the then-unknown mountaineer Conrad Anker made an extraordinary discovery. He spotted 'a patch of white' standing out ag...