<sod >A startling video revealing the inside of the Costa Concordia cruise liner has been released days before experts will attempt to re-float the luxury ship which sunk off the Italian coast in 2012.< eod>< sod > A startling video revealing the inside of the Costa  cruise liner has been released days before experts will attempt to tow away the luxury ship, which sunk off the Italian coast in 2014.< eod>