caption: The image shows a mosaic of a man with a beard and a hat, believed to be St. Peter, from the Church of the Holy Sepulchre in Jerusalem. The mosaic is composed of a variety of colors, including blues, greens, yellows, and reds, creating a beautiful and intricate design. The man is wearing a white robe and has a halo of light around his head, giving him a regal and majestic look. His beard is long and full, and his eyes are closed, giving the impression of a peaceful and serene atmosphere.