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Cleaning Up Costa Concordia's 180000-Ton Ruins

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Smithsonian Channel

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

posted by orla17ra