sentences:  In 1989, the federal government decided that the new Cologne-Frankfurt high-speed line would run on the eastern side of the Rhine.Intermediate stations would be provided in—along with Cologne/Bonn Airport, the Limburg area, Mainz, Wiesbaden and Frankfurt Airport—Bonn-Vilich or Siegburg.On 13 May 1997, the ceremonial beginning of the construction of the Cologne-Frankfurt high-speed line in North Rhine-Westphalia was celebrated in Siegburg