A man walks past a television screen showing a picture of North Korea's test launch of an intercontinental ballistic missile (ICBM), at a railway station in Seoul on July 4, 2017. North Korea proclaimed on July 4 that it had successfully tested an intercontinental ballistic missile -- a watershed moment in its push to develop a nuclear weapon capable of hitting the United States. / AFP PHOTO / JUNG Yeon-Je (Photo credit should read JUNG YEON-JE/AFP via Getty Images)
