U7 is the newest of the Frankfurt U-Bahn lines. The central section runs in a tunnel and was opened in 1986 as far as Zoo in the east. Since 1992 U7 trains continue to Enkheim. From May 30, 1999 U6 trains continue east after the new tunnel was finished as
August 2007 Lech WALESA, Staatspräsident der Republik Polen a.D. mit Thomas und Barbara Jędrzejczak http://25lat.blox.pl Polnisches Kulturzentrum e.V. http://polonia.blox.pl