Romania, Constanta, Mosaic of Christ on exterior of Saint Peter and Saint Paul the Apostles Cathedral.

Romania, Constanta, Mosaic of Saint Andrew on exterior of Saint Peter and Saint Paul the Apostles Cathedral.

Romania, Constanta, Round window on front of Saint Peter and Saint Paul the Apostles Cathedral.

Austria, Salzburg, View of St Peter's Abbey Church and the Franciscan Church from the Festung Hohensalzburg Fortress.

Poland, Krakow, Church of Saints Peter and Paul with statues of the Apostles in the foreground.

Poland, Krakow, Church of Saints Peter and Paul with a statue in the foreground.

Poland, Krakow, Church of Saints Peter and Paul with statues of the Apostles in the foreground.

Poland, Krakow, Church of Saints Peter and Paul with statues of the Apostles in the foreground.

Italy, Venice, St Mark's Basilica,The Doge and people of Venice receive the body of St. Mark, above St. Peter's Gate.

Italy, Sicily, Palermo, Palazzo dei Normanni, Cappella Palatina, Jesus Christ, St Peter and St Paul mosaic.

Poland, Krakow, statue of an apostle at Church of St Peter & St Paul.

Poland, Krakow, statue of an apostle at Church of St Peter & St Paul.