The 17th Parallel: On the border of North and South Vietnam, civilians live underground and cultivate their land in the dead of night, farmers take up arms, and bombs fall like clockwork. Joris Ivens and Marceline Loridan’s record of daily life in one of the most volatile regions of a war-torn, divided country is both a hazardous piece of first-hand journalism and a shattering work in its own right, simmering with barely repressed anger.