Hundreds of pilgrims from many countries visited again the St. Nicholas Maglizh Monastery to see the unique fresco depicting the Holy Brothers Cyril and Methodius and the Irish Saint Patrick. The mural painting is the only in the world depicting together the Christian missionaries Saints Cyril and Methodius, who were declared co-patron saints of Europe by Pope John Paul II, and the Irish Saint Patrick, who preached the doctrine of Christ in Western Europe as missionary. The fresco dates back to the beginning of the 20^th century, the Bulgarian Telegraph Agency informs.