The Costa Concordia cruise ship which ran aground off the west coast of Italy at Giglio island lies on its side, half-submerged and threatening to slide into deeper waters January 23, 2012. The operators of the Costa Concordia faced questions over their share of the blame for the shipwreck, as divers recovered another body from the stricken liner on Sunday, bringing the known death toll to 13. REUTERS/Tony Gentile (ITALY - Tags: DISASTER TRANSPORT)