Cleaning Up Costa Concordia s 180,000-Ton Ruins
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05/08/15
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When a shipwreck the size of the Costa Concordia needs to be removed, experts turn to a process called parbuckling: rolling it underwater with hydraulics, then carefully towing it away. From: CRUISE SHIP DOWN: SAVING CONCORDIA http://bit.ly/1Qn4lX9
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