The cooling tower at the facility was later destroyed, but then the disarmament deal stalled.

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Some water is lost through evaporation in the cooling tower and in waste discharge.

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You may have to test a bomb now and then, or throw a tantrum, or blow up a cooling tower.

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The plant has had a couple of alarming accidents, including a dramatic cooling tower collapse in August of 2007.

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This is similar to the way a power station's cooling tower works.

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As a statement and a commitment of goodwill and intent, North Korea is going to blow up its cooling tower at Yongbyon ...

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The nuke has had its share of scary moments, including a cooling tower collapse, and, more recently, discoveries of leaks of the radioactive hydrogen isotope tritium.

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The One57 tower eventually will rise to more than 1, 004 feet, including a curved, glass top covering a cooling tower, when the building opens in 2013.

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Nuclear experts say that the plant's destroyed central water-cooling tower would take a year or longer to rebuild if North Korea were to try using the plant again.

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Every year about 200, 000 people play in view of the No. 3 nuclear plant dome as the cooling tower spews water back out to sea, heating the ocean by 1-3 degrees Celsius.

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