This satellite image, taken on July 14, 2016, and provided by Airbus Defense and Space and the Institute for Science and International Studies (ISIS) on Sept. 20, shows North Korea's nuclear reprocessing plant at its Yongbyon nuclear complex in the northeastern part of the country. ISIS said the image shows little activity at the plant, compared with brisk activity earlier this year when reprocessing was believed to be under way, indicating North Korea may have finished extracting plutonium from spent nuclear fuel, gaining enough plutonium for up to four more nuclear weapons. (Airbus Defense and Space and the Institute for Science and International Studies)
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