The giant panda Su Lin holds her newborn cub in mouth at Bifengxia Base of the China Giant Panda Protection and Research Center in Ya'an, Sichuan province. Su Lin gave birth to the twins on August 3, 2014. The two cubs are the first twin pandas born in the China Giant Panda Protection and Research Center since the beginning of this year. Su Lin was born in August 2005 at San Diego Zoo in the United States and returned to China in 2010. [Photo/CNS]