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Workers place part of the "Le Scole" rock which was hit by the Costa Concordia cruise ship off the Tuscan Island Isola del Giglio, Italy, Sunday, Jan. 13, 2013. Survivors of the Costa Concordia shipwreck and relatives of the 32 people who died marked the first anniversary of the grounding Sunday. The first event of Sunday's daylong commemoration was the return to the sea of part of the massive rock that tore into the hull of the 112,000-ton ocean liner on Jan. 13, 2012 and remained embedded as the vessel capsized along with its 4,200 passengers and crew. (AP Photo/Antonello Nusca)

Costa Concordia anniversary

Survivors of the Costa Concordia

shipwreck and relatives of the 32 people who died marked the first

anniversary of the grounding Jan. 13 with the unveiling of memorials to

the victims, a tearful Mass in their honor and a minute of silence to

recall the exact moment that the cruise ship rammed into a reef off

Tuscany.