Twin polar bear cubs play outside in their enclosure at Tierpark Hellabrunn in Munich, March 19, 2014. The 14 week-old cubs born to mother Giovanna and who have yet to be named, made their first ... more 
Twin polar bear cubs play outside in their enclosure at Tierpark Hellabrunn in Munich, March 19, 2014. The 14 week-old cubs born to mother Giovanna and who have yet to be named, made their first public appearance on Wednesday. REUTERS/Michael Dalder (GERMANY - Tags: ANIMALS SOCIETY) less 
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Reuters | Photo By MICHAEL DALDER / REUTERS
Wed, Mar 19, 2014 7:13 AM EDT