Taking care of four giant pandas at once definitely is challenging, but rewarding, work. Join caretakers at Smithsonian's National Zoo as they walk through a fast-paced day in the lives of Tian Tian, Mei Xiang, Bao Bao, and Bei Bei. From the Series: WILD INSIDE THE NATIONAL ZOO: Pandamonium http://bit.ly/2xXGn4z