Marek Bartko is an international master glassblower from the Czech. He came already to Leerdam when he was still a student at the higher Glass school in Novy Bor in 1998. He visit Leerdam since then almost every year. This year he will come together with three other master glassblowers and good friends from the Czech, Marek Effert, Ondřej Novotný and Emil Kováč. They also showed their craftsmanship in Leerdam for many years. Do you want to see them work: come to the ‘Glasblazerij Leerdam’ Saturday September 9 at 15:00 hours.