 Complete the following phrase:  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 