To caretakers’ surprise, Lun Lun gave birth to two giant panda cubs. They’re the first giant panda twins born in the United States since 1987, the zoo says.
July 15, 2013Giant panda twins born to Lun Lun are pictured at Zoo Atlanta in this picture provided by the zoo. The delivery was an apparent surprise to zoo officials, who had been anticipating the birth of a single cub. Reuters