A priest helps Pope Francis, with a bruise on his face and small drops of blood staining his white cassock, after he knocked his head on the popemobil in Cartagena, Colombia, Sunday, Sept. 10, 2017. Pope Francis arrived to Cartagena to honor St. Peter Claver, a 17th-century Jesuit who ministered to the tens of thousands of African slaves who arrived in the port to be sold. Francis returns to Rome on Sunday night.(AP Photo/Andrew Medichini)