In Dortmund talks were presented in Arabic, Farsi, Portuguese, Spanish, and Russian; at Frankfurt in English, French, and Serbian / ​ Croatian; at Hamburg in Danish, Dutch, Swedish, and Tamil; at Leipzig in Chinese, Polish, and Turkish; and at Munich in Greek, Italian, and German Sign Language.
Dortmundis araabia, farsi, portugali, hispaania ja vene keeles; Frankfurdis inglise, prantsuse ja serbohorvaadi keeles; Hamburgis taani, hollandi, rootsi ja tamili keeles, Leipzigis hiina, poola ja türgi keeles ning Münchenis kreeka, itaalia ja saksa viipekeeles.