November 19th 2017 marks the 100th anniversary of the world's first ever proper tank battle - The Battle of Cambrai.Many events were planned to rightly commemorate the men who gave their lives in this battle, but Guy Martin wanted to make sure the British engineering brilliance, which created the world's first battle tank, was also commemorated.In this exceptional programme, Guy puts together a team of experts to help create the best possible replica of a Mark IV tank the world's first battle tank.Features: Includes subtitles for the Hard of Hearing