Complex sentence: The Wanne-Eickel-Hamburg railway is the shortest railway link between the Ruhr and the Hamburg metropolitan area and hence one of the most important railway lines in northwest Germany and links the cities of Münster (Westfalen), Osnabrück and Bremen.
Split into simpler sentences: The Wanne-Eickel-Hamburg railway is the shortest railway link between the Ruhr and the Hamburg metropolitan area and hence one of the most important railway lines in northwest Germany. It links the cities of Münster (Westfalen), Osnabrück and Bremen.