One day, the teenagers visit the medieval city of Erfurt for a sight-seeing tour. As some of them mill around the bus, a tall, gangly man in his 20s approaches, introducing himself as Bernd Bergmann. The girls are astonished to learn he was born in Marburg, before his mother took him to the GDR as a child. When he spotted their Marburg number plate, he wondered if they might know a friend of his.
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