Open'er - the biggest festival in Poland and a two-time winner of the European Festival Awards in the Best Major Festival category. For 20 years, it has achieved cult status, hosting artists such as Prince, Bruno Mars, Coldplay, Drake, The Weeknd and Radiohead on its stages. Open'er combines music with many forms of art and culture, while being a platform for debates on the most important social issues. And its seaside location makes it synonymous with summer emotions.