Ralleio A and B class students visited Holland from the 8th to the 12th May 2019 in collaboration with Ralleio Junior High School. The students visited Amsterdam, where, among others they were guided to Van Gogh Museum, Utrecht, the Hague, where they were guided to the National Gallery, Amersfoort and Volendam. They also visited ESTEC, the European Space Research and Technology Centre in Νoordwijk. The students were accompanied by the Assistant Director Mr D. Aggelidakis and Mr G. Katopodis (Biologist).