From left, CNN Heroes Nora El-Khouri Spencer, Bobby Wilson, Nelly Cheboi, Aidan Reilly, Debra Vines, Carie Broecker, Meymuna Hussein-Cattan, Teresa Gray, Tyrique Glasgow and Richard Casper attend the 16th annual “CNN Heroes: An All-Star Tribute” event at the American Museum of Natural History on December 11, in New York City.