Go behind the scenes during development of the Ford GT and its return to the 24 Hours of Le Mans five decades on from the company's historic victory at the 1966 event. <iframe width="560" height="315" src="https://www.youtube.com/embed/vYlEI46g2vU" frameborder="0" allow="accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>