Authorities must decide what to do with the stricken 115,000 ton cruise ship. NBC's Mark Potter reports.
How do you move a massive cruise ship that is currently lying on its side off Italy's Giglio Island?
The Costa Concordia, where rescue operations were suspended for divers' safety Wednesday after the ship slipped on the rocks, poses a challenge for salvagers.
But NBC News' Mark Potter reports on how it might be done.