The fourth module entitled "Stained Glass" was successfully completed as part of the Interreligious Dialogue through Art Project on November 25, 2017 in the Dobrinja Gymnasium. A workshop on this topic was run by the art teacher Anita Smiljanić. Dedicated to the spirit of Catholic art, the month of November ended with this activity. The project has been supported by the Federal Ministry of Science and Education and TPO Foundation as the partner organization of the World Ethos Schools educational program, coordinated by Semir Salihović, a teacher of Islamic religious studies.