World Elephant Day: What do elephants like to eat?

August 12 marks World Elephant Day. Thanks to conservation efforts over the past 30 years, the population of wild Asian elephants in Southwest China's Yunnan province has grown from about 150 to over 300. Follow our reporters to the Asian Elephant Breeding and Rescue Center in Yunnan's Xishuangbanna Dai autonomous prefecture to learn some fun facts about this amazing species' diet.