At Cambrai in November 1917, a tank force of over three hundred tanks punched a hole four miles deep into the German lines in the space of a single morning. An advance comparable in size to that made at Passchendale in four months. But the Germans counter-attacked and the result of the battle was a virtual draw, with the front lines shifting slightly. However the battle of Cambrai marked a major turning point in the course of the war as the era of trench warfare was coming to an end and technology was beginning to reign supreme on the battlefields of Europe. About 'Line Of Fire' 'Line Of Fire' is history with a difference. For the first time, the great battlefields of war are presented in a unique animated environment, providing new insights into military history's most compelling events. Each powerful episode combines unrivalled graphics with atmospheric recreations to analyse every facet of famous battles from the medieval period to the modern times.