It's a little town along the Coastline with intricate alleys, although the cafes, bookstores, and dining establishments hidden in it normally give holidaymakers a great deal of surprises, Specially Sonmokseoga. The ticket is only one way, I personally assumed the views within the Cheongsapo Station are a bit nicer as https://devin0camy.isblog.net/5-tips-about-haeundae-ocean-you-can-use-today-51394788