The giant panda Lin Ping, a star in Thailand whose mandatory trip to China was due at the end of May, can spend up to 15 years in Thailand, under a deal announced this week. The 43-day-old Lin Ping was held by her mother, Lin Hui, in this 2009 photo. Wichai Taprieu/AP hide caption

itoggle caption Wichai Taprieu/AP

Dennis Kelly (right), director of the Smithsonian's National Zoo, and Suzan Murray, chief veterinarian, discuss the panda cub's death. Mark Wilson/Getty Images hide caption

itoggle caption Mark Wilson/Getty Images

A composite of images from the panda cam, showing Mei Xiang during and after giving birth. National Zoo/Xinhua/Landov hide caption

itoggle caption National Zoo/Xinhua/Landov