[Seoul Travel] Coex starfield library 코엑스 별마당도서관 [Eng/sub]

Coex has been Seoul's one of the best landmarks for years. It has it all -- a giant shopping mall, an aquarium, a movie theater, a library and SMTOWN Museum where you can check out idols of SM, one of the best Korean entertainment agencies, and so forth. Mark shows you 3 places in Coex that you must visit in this video.