Berlin Hauptbahnhof fall of the Berlin Wall in 1989, city planners began work on a transport plan for reunified Berlin. One element of this became the "Pilzkonzept" (mushroom concept), in which a new north-south railway line intersecting the Stadtbahn was to be constructed. The name derived from the shape formed by the new line and existing lines, which vaguely resembles a mushroom. In June 1992 the federal government decided that the new station should be built on the site of Lehrter Bahnhof. While close to the centre of Berlin and government buildings, the area was still not heavily populated. The following year,
Berlin Wall graffiti art such as Potsdamer Platz, the East Side Gallery, and Bernauer Straße; many segments are now exhibited in other countries; see List of Berlin Wall segments. Berlin Wall graffiti art The Berlin Wall was constructed in 1961 to separate West Berlin and East Berlin during the Cold War. All the differences between the countries made it a perfect place for people to express their opinions, especially on their preferences and dislikes. In the 1980s, the wall was reconstructed and made 14 feet tall. Graffiting on the wall became popular for artists from all over the world and a place where tourists