People on lifeboats evacuate the Costa Concordia after it ran aground on Jan. 13, 2012, killing 32 people. The cruise ship is the subject of the biggest salvage operation in maritime history
Passengers arrive at Porto Santo Stefano on Jan. 14 after the Costa Concordia ran aground off the Italian island of Giglio.
Costa Concordia cruise liner captain Francesco Schettino is escorted by Italian police on Jan. 14, 2012, in Grosseto. Schettino was arrested on charges of manslaughter, causing a shipwreck and abandoning ship, police said.
Firefighters on a dinghy look at a rock emerging from the side of the Costa Concordia on Jan. 15, 2012.
A woman looks at the wreck of the Costa Concordia cruise liner on Jan. 16, 2012.
A satellite image shows the wreck of the Costa Concordia off the island of Giglio on Jan. 17, 2012.
Search and rescue teams continue the search for survivors on the Costa Concordia on Jan. 19, 2012.
Police divers look at the bell of the stricken Costa Concordia luxury liner during their underwater search on Jan. 19, 2012.
Divers make their way into a flooded cabin of the Costa Concordia cruise ship In this undated photo released by the Italian Navy on Jan. 24, 2012.
The capsized Costa Concordia cruise ship lies off the snow-covered island of Giglio on Feb. 11, 2012.
A boy prepares to snorkel in front of the wreckage of the capsized cruise liner Costa Concordia on Aug. 28, 2012.
The Costa Concordia cruise ship lays near the harbor of Giglio on Oct. 14, 2012. The luxury cruise ship capsized and sank on Jan. 13, 2012, after approaching the Tuscan island of Giglio to perform a manuever close to the shore known as a "salute."
Workers stand on the Costa Concordia cruise ship near the port on Jan. 8, 2013 on the Italian island of Giglio.
An aerial view, taken from an Italian Navy helicopter, shows the Costa Concordia surrounded by other vessels on Aug. 26.
A diver participates in a search operation Sept. 24, 2013, for two missing bodies onboard the Costa Concordia. The last two missing bodies were recovered on Sept. 26.
Vessels surround the wreck of the Costa Concordia cruise ship during an operation to refloat the boat on July 14, 2014 off the Italian island of Giglio. More than two-and-a-half years after it crashed off in a nighttime disaster which left 32 people dead, the plan is to raise and tow the vessel in an unprecedented and delicate operation for its final journey to the shipyard where it was built in the port of Genoa.