Two and half hours after leaving Seoul Station via KTX, Busan greeted us. 안녕! Busan, situated in the South East is the largest port city in the country and the 6th largest in the world. It is also the second largest city in Korea. We were ravenous so stayed at the station to grab food first before doing anything else. Busan is pretty spread out so we thought it would be best for us to store our luggage at the station rather than making our way to our Airbnb and then back at to where we…