http://www.spaceinvading.com/entry/project_id/Wall_painting_project200909141252950334
Pierce Active Member Joined May 29, 2008 Messages 461 Reaction score 1 Sep 14, 2009 #1 http://www.spaceinvading.com/entry/project_id/Wall_painting_project200909141252950334
vanshnookenraggen Moderator Staff member Joined May 25, 2006 Messages 6,966 Reaction score 1,587 Sep 14, 2009 #2 I had seen these pictures before but I had no context, thanks!
J JohnCostello Active Member Joined May 14, 2008 Messages 281 Reaction score 250 Sep 17, 2009 #3 Looks like a ventalation shaft for SEPTA down in Philly.