Antarctic and Shackleton centenary expedition to the South Pole - In the footsteps of my Ottoman uncle

Sandi Toksvig explores two very different sides of the Antarctic. One from an expedition cruise ship and the other following the 2008/9 expedition following in the footsteps of Ernest Shackleton's failed bid for the South Pole on the 1907/9 Nimrod Expedition. Sandi also meets Palestinian writer Raja Shehadeh and talks about another journey in someone's footsteps- in this case Raja's great uncle, who fled the Ottoman authorities in Palestine during the First World War and lived on the run for 3 years in and around the Rift Valley. Raja walks around many of the places that his relative lived whilst in hiding. Producer Chris Wilson.