NEW YORK, NY - DECEMBER 11: Erica Hill attends the 10th Anniversary CNN Heroes at American Museum of Natural History on December 11, 2016 in New York City. (Photo by Rob Kim/Getty Images)

NEW YORK, NY - DECEMBER 11:  Erica Hill attends the 10th Anniversary CNN Heroes at American Museum of Natural History on December 11, 2016 in New York City.  (Photo by Rob Kim/Getty Images)