Originally Posted by
mikesaidyes
I did the 72 hour TWOV in Beijing, so my time in China has been brief. Going Fri 26 - March 1 for a long weekend from Seoul (arrive Fri night, return Tues afternoon).
Just for point of clarity - are you flying from/to Seoul only, or to a third country?
If from/to seoul only you will need a visa, as TWOV will not be available.