Giant Panda From San Diego Zoo Joins China?s Breeding Program

CHENGDU, CHINA - NOVEMBER 07: A truck with the San Diego Zoo born 4-year-old giant panda Mei Sheng leaves Shuangliu airport on November 7, 2007 in Chengdu, capital of Southwest China's Sichuan Province. Mei Sheng, a male panda born at the San Diego Zoo, returns China to join that country's breeding program. Mei Sheng was sent to the Wolong Nature Reserve in Sichuan province for Giant Pandas as part of a loan agreement which requires all pandas born outside China to be returned there after the animals mature. The Chinese character on the sign read "Control". (Photo by Guang Niu/Getty Images)