One hundred years ago Australian troops fought for control of Polygon Wood in Belgium during The Third Battle of Ypres. Here renowned folk musician Sam Sweeney pays a musical tribute to the men who died, and whose graves bear poignant messages from their loved ones. Sam plays a violin made by a soldier who fought and died on the Ypres Salient in 1917. Read more here, http://ow.ly/35Ct30fqKkW #Passchendaele100 | Commonwealth War Graves Commission