South Korean flags are seen as Pope Francis celebrates the closing Mass during World Youth Day at Campo da Graça in Park Tejo in Lisbon, Portugal, Aug. 6, 2023. The pope announced after the Mass that Korea would be the the site of the next World Youth Day in 2027. (OSV News photo/Bob Roller)I attended my first World Youth Day in Madrid, Spain, back in 2011. On the last day, I remember saying to a friend, “I can check World Youth Day (WYD) off my list now. One is enough for me.”