A leftover fallout shelter sign, one of hundreds in New York, is displayed on a building on August 11, 2017 in New York City. The signs signifying a protective space to sit out a nuclear attack date back to the early 1960's when America was in a Cold War with Russia. Americans are once again contemplating the possibility of a nuclear attack as America and North Korea threaten each other with war.
{"Image ImageDescription": "NEW YORK, NY - AUGUST 11:  A leftover fallout shelter sign, one of hundreds in New York, is displayed on a building on August 11, 2017 in New York City. The signs signifying a protective space to sit out a nuclear attack date back to the early 1960's when America was in a Cold War with Russia. Americans are once again contemplating the possibility of a nuclear attack as America and North Korea threaten each other with war.  (Photo by Spencer Platt/Getty Images)", "Image Copyright": "2017 Getty Images"}