Did you know? NY's 1st subway (1870) was in a 312-ft tunnel under lower Broadway powered by "pneumatic pressure"- blown by a giant fan #DYKT
7:30 AM - 1 Apr 2010
0 replies
5 retweets
3 likes
Loading seems to be taking a while.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.