(lexander F. Yuan / AP) In this file photo taken Tuesday, June 10, 2008, two pandas play at China Conservative and Research Center for the Giant Panda in Wolong, China's southwest Sichuan province. Ten giant panda cubs will be on display at the Shanghai World Expo in 2010 at the city's zoos, giving tens of millions of Chinese and foreign visitors a glimpse at the highly endangered species.
