 Complete the following phrase:  Nine hundred years after the First Crusade, Tim Severin and Sarah Dormon set out on horseback to follow the 2500 mile route of Duke Godfrey of Boullion and other Crusaders from Belgium to Jerusalem, travelling through the modern lands of Germany, Austria, Hungary, Yugoslavia itself today consigned to history, Bulgaria, Turkey and Syria. The horses chosen were a riding school palfrey Mystery and a Heavy Ardennes Carty, the latter a descendant of the war horses of Crusader cavalry  what Severin called the Main Battle Tank of its day. This journey, after many years of marine expeditions was a return to long distance land exploration by Severin. The Journey would take place over 2 years with the horses and riders resting over the winter of 19878. Severin was unable to follow exactly the route of Duke Godfrey due to the 