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"By: Charles Choi, LiveScience Contributor \r\nPublished: 02/21/2012 07:07 PM EST on LiveScience\r\n\r\n The world's oldest elephant tracks have now been rev..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.huffingtonpost.com/2012/02/22/elephant-tracks-seven-million-years-old_n_1293290.html>