May 7, 2014

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Mango, a Syrian brown bear, is prepared for back surgery in the Ramat Gan Zoological Center's animal hospital near Tel Aviv, Israel.

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Facebook employees take a group selfie with Argentine President Cristina Fernandez, center, at the Facebook office in Buenos Aires, Argentina, May 6, 2014.

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Armed paramilitary police officers stand guard at Beijing Railway Station. An assailant stabbed six people at a railway station in the southern Chinese city of Guangzhou, police and state media said.

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A model poses with a vivid yellow 100.09 carat diamond (L) and a 103.46 carat diamond ring during an auction preview at Sotheby's in Geneva, Switzerland. The diamonds are expected to be go for between $15,000,000 to 25,000,000 and $3,500,00 to 5,000,000.