A satellite view of part of the Sednaya prison complex near Damascus, Syria is seen in a still image from a video briefing provided by the U.S. State Department on May 15, 2017. Department of State/Handout via REUTERSFOR 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