Porto Ercole, along the Argentario coast of Italy, is seen here on Jan. 18, 2012. A half-million gallons (2,400 tons) of fuel inside the capsized Costa Concordia cruiser liner risk polluting some of the Mediterranean's most pristine sea. (Associated Press)

Photo by: Angelo Carconi

Porto Ercole, along the Argentario coast of Italy, is seen here on Jan. 18, 2012. A half-million gallons (2,400 tons) of fuel inside the capsized Costa Concordia cruiser liner risk polluting some of the Mediterranean's most pristine sea. (Associated Press)