
Giant panda Mei Xiang looks over a stone wall in her enclosure at the Smithsonian’s National Zoo in this handout provided by the Smithsonian National Zoo during a spring snow in Washington, D.C. March 25, 2013. REUTERS/Connor Mallon/Smithsonian’s National Zoo/Handout (UNITED STATES – Tags: ENVIRONMENT ANIMALS SOCIETY) NO SALES. NO ARCHIVES. FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS. THIS IMAGE HAS BEEN SUPPLIED BY A THIRD PARTY. IT IS DISTRIBUTED, EXACTLY AS RECEIVED BY REUTERS, AS A SERVICE TO CLIENTS