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Trying to book KTX train tickets for Chuseok 2026 as a foreigner? 🇰🇷 Do NOT wait until the last minute! The system works completely differently for non-citizens, but you can still snag a seat if you follow this exact timeline. Save this for September! 📱✨ #Chuseok2026 #seoultravel #septemberinkorea #VisitKorea #KoreaTravelTips