History of Cologne (Cologne Tower), one of Cologne's most prominent highrises. Secondly, a permanent improvement in traffic infrastructure, which makes Cologne one of the most easily accessible metropolitan areas in Central Europe. Due to the economic success of the Cologne Trade Fair, the city arranged a large extension to the fair site in 2005. The original buildings, which date back to the 1920s, are rented out to RTL, Germany's largest private broadcaster, as their new corporate headquarters. A controversy started after Muslims in Cologne sought to build a mosque. Most important for the history of Cologne since the Middle Ages is the Cologne
History of the Jews in Cologne Group). The agitation against Judaism and Cologne Jews found no contrast, so in the antisemitic pieces of the Hänneschen-Theater or in Cologne Carnival, in which no clear criticism against National Socialism was exhibited. Carnival carriages in the Rosenmontag parade showed antisemitic themes and a carnival song mocked the Jews: ""Metz dä Jüdde es jetz Schluß, Se wandere langsam uss. (...) Mir laachen uns für Freud noch halv kapott. Der Itzig und die Sahra trecke fott"" (translation: ""With the Jews it is finished, they emigrate slowly… We laugh with joy. The Itzig and the Sarah move away"", The so-called Aryanization proceeded