Construction workers form a giant "3" on the floor of the Olympic stadium under construction in London to mark three years to go in the countdown to the 2012 Summer Games to be held there.
Organizers passed an important test Monday with a successful trial run of the high-speed "Javelin" train that will whisk passengers from central London to the Olympic Park in Stratford in about seven minutes.
COMMENTING POLICY:Readers are encouraged to post comments that are germane to the article. We reserve the right to remove any user, and to delete comments that contain abusive language or personal threats, as well as those that are racist or demeaning. Readers may report comments by clicking "Report Abuse." Once a comment has been flagged, a Baltimore Sun staffer will investigate. Click here for more information on commenting.