The new building for the central station Hauptbahnhof was opened in May 2006 and together with Südkreuz (southern cross) and Ostbahnhof (eastern station) - plus minor Gesundbrunnen in the north and Spandau in the west - form the backbone of all connections. All are connected to either S- or U-Bahn (and in the future, both). All trains travel through central station and a second major hub (depending on the destination you travel to or arrive from). Trains in the regional area (Berlin and Brandenburg) mostly use these stations. Regional trains stop at several stations within Berlin.
The referendum has divided the city. Many residents appreciate the relatively central convenience of Tegel, which has served as the Berlin's main airport since the late 1960s, and fear that the new Berlin-Brandenburg Airport, which is years behind schedule and billions of euros over budget , won't be adequate for needs of Germany's largest city. Those who live near Tegel and environmental activists say that the agreement to close the airport as soon as Berlin-Brandenburg, known as BER, is operational is already a done deal and that the idea of a major airport in the middle of an urban area is outmoded.
In 1933 Adolf Hitler and the Nazi Party came to power . NSDAP rule diminished Berlin's Jewish community from 160,000 (one-third of all Jews in the country) to about 80,000 as a result of emigration between 1933 and 1939. After Kristallnacht in 1938, thousands of the city's Jews were imprisoned in the nearby Sachsenhausen concentration camp . Starting in early 1943, many were shipped to death camps , such as Auschwitz .  During World War II, large parts of Berlin were destroyed in the 1943–45 air raids and during the Battle of Berlin . Around 125,000 civilians were killed.  After the end of the war in Europe in May 1945, Berlin received large numbers of refugees from the Eastern provinces. The victorious powers divided the city into four sectors, analogous to the occupation zones into which Germany was divided. The sectors of the Western Allies (the United States, the United Kingdom and France) formed West Berlin , while the Soviet sector formed East Berlin .