New commercial satellite imagery is showing some of the clearest signs to date that North Korea is tunneling again at its remote underground nuclear test site in a way that could potentially shorten the time it needs for its next test.
원문출처 : https://www.cnn.com/2022/04/07/politics/north-korea-nuclear-satellite-images/index.html
원문출처 : https://www.cnn.com/2022/04/07/politics/north-korea-nuclear-satellite-images/index.html