This is interesting, reminds me of the Chicago underground rail system
http://www.silentuk.com/?p=2792
The “Mail Rail” under London. Shut down a decade ago and hidden away, now explored.
Saw this yesterday - way cool! Wonder how many other things like this are out there in the world.
I’ve got a book on the Chicago underground system - that was very interesting. Also saw a special on it on PBS awhile back
Victor,
I guess you missed it a few days ago.
Ralph
http://www.largescalecentral.com/LSCForums/viewtopic.php?id=14746