Researchers try to approach giant panda Taotao and its mother Caocao in Wolong National Nature Reserve…Researchers try to approach giant panda Taotao and its mother Caocao in Wolong National Nature Reserve October 7, 2012. Taotao and its mother Caocao were transferred down from a 2,100-meter high mountain to Hetaoping Research and Conservation Center for a health examination and to be prepared for reintroduction to the wild. Researchers wore panda costumes to ensure that the cub’s environment was devoid of human influence, according to local media. Picture taken October 7, 2012. REUTERS/China Daily (CHINA – Tags: ANIMALS SOCIETY) CHINA OUT. NO COMMERCIAL OR EDITORIAL SALES IN CHINA