Tourists take videos of pandas at a panda center in Chengdu, China

Tourists take photos and videos of giant pandas at the Panda Research Base in Chengdu, Sichuan Province, China on November 20, 2017. In China's mountainous Sichuan Province, a network of research centers, nature reserves, breeding facilities and wildlife sanctuaries have been established to support the endangered and vulnerable giant panda. Photo by Stephen Shaver/UPI