Mao Zedong (4th of 5)

In episode 4 of Jung Chang and Jon Halliday's interpretation of the life of Chairman Mao -- "Mao: The Unknown Story" -- the jockeying of power continues and takes in one of the most famous treks in modern military history. It is a trek that means the abandonment of family members and the exhaustive transportation of treasure hoards such as gold, silver and jewels. However, the political significance of the journey was to have much greater value.