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In this Sunday, Jan. 8, 2012, photo released by Maritime New Zealand, the cargo ship Rena, grounded off Tauranga Harbor, New Zealand, is seen split into two pieces after being lashed by pounding seas. The Greek-owned Rena ran aground on Astrolabe Reef 14 miles (22 kilometers) from Tauranga Harbor on North Island on Oct. 5, 2011, spewing heavy fuel oil into the seas, fouling pristine beaches and killing up to 20,000 sea birds in what has been described as New Zealand's worst maritime environmental disaster. (AP Photo/Maritime New Zealand) EDITORIAL USE ONLY

In this Sunday, Jan. 8, 2012, photo released by Maritime New Zealand, the cargo ship Rena, grounded off Tauranga Harbor, New Zealand, is seen split into two pieces after being lashed by pounding seas. The Greek-owned Rena ran aground on Astrolabe Reef 14 miles (22 kilometers) from Tauranga Harbor on North Island on Oct. 5, 2011, spewing heavy fuel oil into the seas, fouling pristine beaches and killing up to 20,000 sea birds in what has been described as New Zealand's worst maritime environmental disaster. (AP Photo/Maritime New Zealand) EDITORIAL USE ONLY

New Zealand cargo ship disaster

April 16, 2012

The remains of the stricken container ship Rena are stuck on a rock reef about 14 nautical miles (22 km) from Tauranga on the east coast of New Zealand's North Island. Rena ran aground six months ago, in what authorities say is one of the nation's worst environmental disasters, Apr. 4.