3 1/2 Stunden

Passengers on a train from Munich to East Berlin learn on the way that the GDR has just been closed off by the new Berlin wall. They have 3 1/2 hours to decide whether to take the train all the way to East Berlin or to remain in the
August 13, 1961: The passengers on the interzonal train from Munich to East Berlin learn 3½ hours before crossing the border that the Wall is being built in Berlin. They have 3½ hours to make a life-changing decision: to get off the train or keep going.