GIGLIO PORTO, ITALY - JANUARY:  In this undated handout photo provided by Ufficio Stampa Gruppo Carabinieri Subaquei, Carabinieri frogmen dive on the cruise ship Costa Concordia, January, 2012 in Giglio Porto, Italy.  The rescue operation to find 21 people still missing aboard the Costa Concordia has resumed on January 20, 2011 after being suspended for the third time, as conditions caused the vessel to shift on the rocks on which it is resting. (Photo by Ufficio Stampa Gruppo Carabinieri Subaquei via Getty Images)