Pilgrims attend a mass presided by the Pope Francis at the Parque Tejo in Lisbon celebrating the 37th World Youth Day on Sunday, August 6, 2023. An estimated 1.5 million young people filled the parque on Saturday for Pope Francis' World Youth Day vigil, braving scorching heat to secure a spot for the evening prayer and to camp out overnight for his final farewell Mass on Sunday morning. (Photo by Francisco Seco/AP Photo)
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