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President Yoon Suk Yeol (2nd from R) applauds during a ceremony naming the country's next-generation super-speed bullet train, as "KTX Cheong-Ryong (blue dragon)," at Daejeon Station in the namesake city, 164 kilometers south of Seoul, on April 1, 2024. (Pool photo) (Yonhap)

Yoon at christening ceremony for next-generation bullet train