In the city of Rome, Italy, the marks of martyrdom are to be seen almost everywhere - and more clearly than at most other places in the world. In the middle of the famous Piazza Navonna, a church marks the spot where a young Christian girl was humiliated and martyred for her faith in Christ. Another church, not too far away, stands over the place where the body of Saint Lawrence was found and given decent burial by a Christian woman. Almost every corner and virtually every church building and religious monument has a story, or stories, to tell about the martyrs. And if one travels out the old Appian Way to the Catacombs of St. Sebastian, descending into the depths of a primitive Christian graveyard - which even held the bodies of Peter and Paul - and ascends to ground level again through the Church of St. Sebastian, one may begin to grasp the import of Jesus' prayer.