IT, Katowice, Krakow, Opole, Poland
English, Katowice, Krakow, Opole
French, Katowice, Krakow, Lublin, Opole, Poland
German, Katowice, Krakow, Lublin, Opole, Poland
English, Katowice, Krakow, Opole, Poland
English, Krakow, Opole, Poland
Katowice, Krakow, Łódź, Lublin, Opole, Poland, Poznan, Warsaw, Wroclaw
German, Germany, Katowice, Krakow, Łódź, Lublin, Opole, Poland, Polish, Poznan, Warsaw, Wroclaw