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"Youth Over Flowers" is a South Korean variety show where celebrities embark on meaningful travels while completing missions and immersing themselves in local cultures. Hosted by Kang Ho-dong and Lee Seo-jin, the show's fourth installment features Park Seo-joon alongside Choi Woo-shik, Ryu Jun-yeol, and Ahn Bo-hyun as they travel to Vietnam and engage in various good deeds and meaningful experiences.