36-year-old giant panda Jia Jia, walks into a cage where health checkups are performed, at the Hong Kong Ocean Park, China July 9, 2015. Jia Jia, the oldest giant panda living in captivity, is set to challenge the world record for the animals' longevity, with her age said to put her on par with a human centenarian. (Photo by Tyrone Siu/Reuters)
