Bonn

Bonn, () officially the Federal City of Bonn, () is a federal city in the German state of North Rhine-Westphalia, located on the banks of the Rhine. With a population exceeding 300,000, it lies about south-southeast of Cologne, in the southernmost part of the Rhine-Ruhr region.

Stadtbahn in Bonn

federal motorway in Germany

mathematical institute

German organization

Wikimedia list article

firework in Germany

former city hall of Bonn

Ripuarian dialect of German; spoken in Bonn and bordering municipalities

thumb|The Kottenforst in spring

Think Tank