A firefighter watches a helicopter above Georgia Highway 177 as the West Mims fire burns in the Okefenokee National Wildlife Refuge, Georgia, U.S. April 25, 2017. Fish and Wildlife Service/Mark Davis/Handout via REUTERS FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNSTHIS IMAGE HAS BEEN SUPPLIED BY A THIRD PARTY. IT IS DISTRIBUTED, EXACTLY AS RECEIVED BY REUTERS, AS A SERVICE TO CLIENTS