Twin polar bear cubs Nela and Nobby play in their enclosure at the Hellabrunn zoo in Munich, southern Germany, Monday, April 7, 2014. The cubs were born on Dec. 9, 2013. Today they received their ... more 
Twin polar bear cubs Nela and Nobby play in their enclosure at the Hellabrunn zoo in Munich, southern Germany, Monday, April 7, 2014. The cubs were born on Dec. 9, 2013. Today they received their names. (AP Photo/Matthias Schrader) less 
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Associated Press | Photo By Matthias Schrader
Mon, Apr 7, 2014 5:48 AM EDT