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A new KTX line connecting Seoul and Busan has appeared. However, it takes a whopping 4 hours. Let's take a look at why this happened and what happened to the controversial stops. #Jungang Line KTX #Cheongnyangni Station #Bujeon Station 00:00 Intro 00:20 Another Seoul-Busan KTX (Jungang Line KTX) 03:15 When going to Seoul, take this, right? 06:06 Why does it take 4 hours? (High-speed)