Tug boats tow the Costa Concordia ship as they arrive outside Genoa's port, in northern Italy, where the ship will be broken up for scrap, July 27, 2014. REUTERS/Giampiero Sposito 

The Concordia arrives outside Genoa's port. REUTERS/ Stefano Rellandini 

Tug boats bring the Concordia inside Genoa's port. REUTERS/ Stefano Rellandini 

People watch the cruise liner Costa Concordia moving anticlockwise during the refloat operation maneuvers at Giglio Island July 23, 2014. Maneuvers began early on Wednesday to remove the rusty hulk of the Costa Concordia cruise liner from the Italian island where it struck rocks and capsized two years ago, killing 32 people. REUTERS/ Alessandro Bianchi 

The Concordia during the refloat operation at Giglio harbour, July 21, 2014. REUTERS/Alessandro Bianchi 

People sunbathe near the refloat operation at Giglio harbour July 21, 2014. REUTERS/Giampiero Sposito 

Black smoke comes out from the back of the Costa Concordia cruise liner during its refloat operation at Giglio harbour July 22, 2014. The 114,500-tonne Concordia has been slowly lifted from the sea floor since Monday, when salvagers began pumping air into 30 large metal boxes, or sponsons, attached around the hull. REUTERS/Max Rossi (ITALY - Tags: DISASTER MARITIME) 

The Costa Concordia cruise liner is seen during its refloat operation at Giglio harbour July 22, 2014. REUTERS/Max Rossi 

A Dutch salvage worker holds a scale model of Costa Concordia ship as they celebrate after the refloat operation maneuvers that allowed cruise liner Costa Concordia to leave Giglio Island July 23, 2014. REUTERS/ Max Rossi 

Salvage crew workers are seen in front of the capsized cruise liner Costa Concordia after the start of the "parbuckling" operation outside Giglio harbour September 16, 2013. REUTERS/Tony Gentile 

An aerial view shows the Costa Concordia as it lies on its side next to Giglio Island taken from an Italian navy helicopter August 26, 2013. REUTERS/Alessandro Bianchi