It’s amazing how quiet Koreans are during a 4-hour bus journey. Maybe everyone wanted to try and sleep to get it over with or maybe it’s custom to be quiet in Korea. Wait- a 4-hour bus journey? A 4-hour bus journey to Busan, Korea’s seconds largest city. It has 3.6 million citizens compared to 25.6 million citizens in Seoul. We There’s more for you to read!