The History Channel's new show "Cities of the Underworld" finished filming in Portland's famous Shanghai Tunnels a few months ago and the episode is finally going to air (under the title "Underground Bootleggers.")
It will be on the History Channel next Monday at 9:00pm and repeating periodically afterwards.
For more information on this show, check out the Cities of the Underworld website at
http://www.history.com/minisite.do?mini_id=53900 For more information on the Portland episode, visit
http://www.history.com/shows.do?action=detail&episodeId=228689