They can, however, function as a warning from history that we must never forget – a message especially relevant as the world marks Holocaust Memorial Day today. Every generation of film-makers comes to this terrible subject in their own way –  whether via the maximalist sprawl of 1985 documentary Shoah or the dizzying realism of 2015’s Son of Saul.

Israel commemorates its own Holocaust Remembrance Day in the spring, on the Hebrew date of the start of the Warsaw Ghetto uprising.

Every year on January 27, the world observes Holocaust Remembrance Day, officially known as the International Day of Commemoration in Memory of the Victims of the Holocaust. This solemn day is about more than remembering,