FILE - In this Sunday, Sept. 29, 2013 file photo, workers look at a rotting elephant carcass in Hwange National Park, Zimbabwe. The United Nations Environmental Program (UNEP) is marking the U.N.'s ... more 
FILE - In this Sunday, Sept. 29, 2013 file photo, workers look at a rotting elephant carcass in Hwange National Park, Zimbabwe. The United Nations Environmental Program (UNEP) is marking the U.N.'s first ever World Wildlife Day Monday, March 3, 2014 to raise awareness about an illicit global trade in illegal timber, elephant ivory and rhino horns worth an estimated $19 billion. (AP Photo, File) less 
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Associated Press
Mon, Mar 3, 2014 9:42 AM EST