Great to know about subway when you visit Seoul~
We have recommended foreign travelers to use subway when they visit Seoul because of its efficiency in terms of money and time.
Here are great posts which will guide your travel planning.
About general information of Seoul subway:
About atractions and destinations you can visit by subway:
About 5 Seoul Subway Shortcuts to key Tourist Attractions:
Shown photo is the world first visrtual supermaket at a subway station in Seoul (shopping at subway station platform using mobile phones, related information athttp://bit.ly/z0w33F)
Smart, Unique & Local Stays