Samseong Station is a station on Seoul Subway Line 2 . It serves the eastern area of Teheranno . Some of the more famous buildings near the station include World Trade Center Seoul , COEX Mall , Korea Electric Power ( KEPCO ) headquarters , Korea Air City Terminal ( buses run from here to Incheon and Gimpo Airports , and vice versa ) , and Gangnam main police and fire stations . Due to security concerns , the station was closed during the G20 summit and the 2012 Nuclear Security Summit , as this station is directly connected with COEX
G20 summit
2010 G20 Seoul summit
Samseong station