Workers arrive at the Costa Concordia cruise liner, seen at Giglio harbour at Giglio Island

Workers (bottom, C) arrive at the Costa Concordia cruise liner, seen at Giglio harbour at Giglio Island July 19, 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)