Mars Uncovered: Ancient God of War

T1, E1: Classicist Bettany Hughes investigates the enduring relationship between violence and worship by following the trail, through time, of the ancient god of war: Mars. In this BBC history documentary, Bettany asks if celebrating war is a way of bringing societies together by creating 'them' and ‘us’ and how Romans, and later Christian crusaders, justified bloodshed. But can war ever be justified?