Germany. Aachen, Cologne and Bonn, Germany. Running along the Rhine river, the cites of Bonn and Cologne are located on the right of this night-time image taken from the International Space Station. Cologne to the North is home to the European Astronaut Centre located at one of the German Aerospace Centre’s main sites. The bright lights on the right illuminate the runway of the Koln-Bonn airport in between the two cities.[NASA]