We saw this last night on the way home. Amazing isn’t it? I think it could have been David Blaine practicing for a new illusion. Not a trick. A trick is something a whore does for money.
Please note: This is the no trolley version, sadly I have lost the version with the trolley. This was created by John Braine. Also: http://www.johnbraine.com/2007/12/off-his-trolley.html