A tug boat sprays water next to the Costa Concordia cruise liner as it emerges during the refloat operation at Giglio harbour

A tug boat sprays water next to the Costa Concordia cruise liner as it emerges during the refloat operation at Giglio harbour

A tug boat (unseen) sprays water next to the Costa Concordia cruise liner as it emerges during the refloat operation at Giglio harbour at Giglio Island July 20, 2014. Technicians on July 14, 2014 began a complex operation to refloat and tow away the wreck of the Costa Concordia, two and a half years after the luxury liner capsized off the Italian coast, killing 32 people. REUTERS/Alessandro Bianchi (ITALY – Tags: DISASTER TRANSPORT MARITIME)