One of the biggest tourism EXPOs in the world is being held in Tokyo Big Sight. (http://www.bigsight.jp/english/hotel/transportation/) Although it is limited only to those who are in the tourism and related industries on Sep 20(Thu)&21(Fri), it is open to public on Sep 22(Sat)&23(Sun). If you are interested in travelling, why don't you go take a look there to gain a lot of domestic and overseas travel information?