Historical Archive of the City of Cologne up at the site of the collapse (a large hole in the ground), where around 95% of all archival items could be held until August 2011, albeit scattered and in many cases badly damaged. Archive repositories all over Germany offered space to store the damaged and only roughly cleaned documents: wet materials were flash-frozen to prevent mold growth. "Itinerant archivists" worked in the receiving archives all over the country and began the task of re-identifying and re-cataloging. A newly installed centre for restoration and digitization on the outskirts of Cologne started working in 2011, with a total cost for restoring
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