Cologne and Dusseldorf located near each other make up some really interesting traffic. As you will see Dusseldorf brings in some good passenger traffic including lots of charter flights but also regulars like the Emirates A380, Cologne on the other hand is one of the big cargo airports in Germany and hub for FedEx and UPS which bring in lots of their own airplanes but also more than a dozen other airlines includiung many with large aircraft such as the Boeing 747.
