megnyitó személykéntas an opening speaker
05. May 2022. ‒ 24. May
18. October 2018. ‒ 09. November
04. August 2016. ‒ 03. September
13. April 2016. ‒ 23. April
28. February 2013. ‒ 27. March
02. June 2012. ‒ 15. June
08. June 2011. ‒ 25. July