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In this photo released by the Italian Coast Guard, a coast guard scuba diver makes his way through floating pieces of furniture inside the cruise ship Costa Concordia on January 15 2012 after it ran aground off the tiny Tuscan island of Giglio Italy (Credit: Italian Coast Guard)

In this photo released by the Italian Coast Guard, a coast guard scuba diver makes his way through floating pieces of furniture inside the cruise ship Costa Concordia on January 15 2012 after it ran aground off the tiny Tuscan island of Giglio Italy (Credit: Italian Coast Guard)