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Cologne is Germany's fourth-largest city in Germany. It is also one of the oldest cities in Germany, having been founded by the Romans in the year 38 BC. The University of Cologne (Universität zu Köln) is one of Europe's oldest universities. About 970,000 people live there.
The most interesting thing to see there is Cologne Cathedral. This church was built from about 1248 to about 1550, but finally finished in 1880. The United Nations list it as 'World Cultural Heritage'. There are 31 museums in this city
People in Cologne and nearby have their own language. They call it Kölsch. During carnival time it even appears on nationwide broadcasts.