9. P'unggye , North KoreaThis is one site that has taken on increased significance recently, as North Korea declares that they are at war with South Korea. They have conducted three nuclear tests, at least one of which was at P'unggye, not far from the coast.
The second of these tests occurred on May 25, 2009 and was conducted a kilometer underground, with the utmost secrecy.
However, the secret was discovered when GPS receivers in the area picked up signals, and the Western powers were alerted about the test.
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