Church of St. Nicholas Orfanos (orphans), previously - the main temple of the monastery in the Upper town, according to modern scholars, is considered to be built on the money of the Serbian King Stefan Milutin in the XVI century. The frescoes date back to the years 1310-1320 and are the works of the masters of Macedonian schools are located above the center of Celle and two chapels. The frescoes depicting scenes of the crucifixion of Christ and Pontius Pilate appealed.