The Expo is in about 4 hours outside of Seoul in Jeonju and Muju counties, Jeollabuk-do Province from July 5-10th. If you go to this link>www.wtcexpo.net you can see their website which is in Korean. Click on the "ENGLISH" tab at the top and a pdf will download giving some information though the translation is not perfect. The flyer says July 5-9 but the closing ceremony has been extended to the 10th.
I am travelling with a group on June 29th to Seoul then moving on to the Expo after.
Anyone interested let me know. The actual Expo is only $100, but the flight from New York City is $1550 right now. 
