Extreme South: James CastrissionIn 100 years of polar exploration, no one had ever walked from the edge of Antarctica to the South Pole and back without any support. Many had tried. None had succeeded. Until, on 26th January 2012, James Castrission Cas and Justin Jones Jonesy made history by completing the longest unsupported polar journey of all time. Following in the footsteps of the great polar explorers like Scott, Amundsen, Shackleton and Mawson, they battled frostbite,