Skiing 870 miles across the Antarctic , pulling a 120kg sledge in temperatures of -40, would be a mammoth task for anyone. But for Max Worsely, the challenge laid out ahead of him is much more personal - and will be a promise to his father, Henry, who died attempting the exact same feat. Later this year starting in November, Max, 31, will ski in the tracks of his father, alongside expedition partner Martin Nesse, to make the 60-day journey unsupported from the edge of Antarctic to the