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The North Korean Science & Technology Center in Pyongyang.
The North Korean Science & Technology Center in Pyongyang.

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    North Korea's new tool of propaganda?

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North Korea's new tool of propaganda?

CNN's Will Ripley toured North Korea's science center after the country says it tested an H-bomb.

North Korea's new tool of propaganda?

CNN's Will Ripley toured North Korea's science center after the country says it tested an H-bomb.