Basilica of Saint Paul Outside the Walls
He immediately began to repair the damage done to various churches of the city during the Arab raid against Rome. He restored and embellished the damaged Basilica of Saint Paul Outside the Walls and St. Peter's Basilica. The latter's altar again received its gold covering (after being stolen), which weighed 206 lb. and was studded with precious gems. Following the restoration of St. Peter's, Leo appealed to the Christian kingdoms to confront the Arab raiders.