As we near the end of four years of collective reflection on the First World War, Michael Morpurgo talks of the importance of never taking peace for granted.

"We have been looking back, remembering, or trying to", he writes, "because remembering a time and a war that none of us can remember is hard".

He discusses one particular plan - the dream of a WW1 soldier - to make a new pilgrims way in No Man's Land.

Producer: Adele Armstrong.