Everyone knows the pictures of the Brandenburg Gate on 9 November 1990: people standing on the Wall, cheering, celebrating history at the moment of its creation. The scenes are emotional, stirring, iconic - even for those who weren't there or weren't born at the time.
But just a few kilometres away is a place that also played a central role in German reunification: the former Berlin border station Friedrichstrasse. Hardly any other place experienced the rapid change of the fall of the Wall so directly.