The Allgäu region in southern Germany is home to an unusual and traditional bank. The small Gabler-Saliter Bank is still run the way banks used to be years ago. Banking often began with bartering. In the village of Obergünzburg that's still evident today. But how does a tiny financial institution manage to survive for centuries and how does it set itself apart from the big banks?
Report by Holger Trzeczak.