On 8th of March 2013, marking The Day of Europe, OSTEN, along with the delegation of EU, the Hungarian Embassy and the French Institute of Skopje, has opened the exhibition of the renowned Hungarian - french artist Viktor Vasarely, the father of the op-art way. On the exhibition, the guests had the opportunity to see 90 art works of this world-wide known artist, from which 3 are drawings, 2 collages, 4 works with combined technique, 5 sculptors, and 76 graphics. During the exhibition, the guests have the opportunity to see also the portrait of Vasarely, which in terms of the collaboration with the Embassy of Hungary was provided from the archives of the National Television of Hungary.