caption: The image shows a mosaic of St. Nicholas in the Church of the Holy Sepulchre in Jerusalem. The mosaic is composed of a variety of colors, including blues, greens, yellows, and reds, and depicts a man with a halo of light around his head. He is wearing a white robe and a blue cloak, and is holding a staff in his right hand. His face is illuminated by a bright light, and his eyes are looking off into the distance.