After he suffered a bruise to his left cheek that resulted in some blood dripping onto his white cassock. Pope Francis prepares for a Sunday Angelus next to the San Pedro Claver church 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/Ricardo Mazalan)