Vienna's giant panda Yuan Yuan to celebrate 20th birthday

Giant Panda Yuan Yuan prepares to eat his birthday meal in the Schonbrunn Zoo in Vienna, Austria, Aug. 21, 2019. The giant panda Yuan Yuan based at the Schonbrunn Zoo in Vienna, Austria, is set to turn 20 years old on Friday with celebrations having already begun, according to the zoo. (Photo by Daniel Zupanc/Xinhua)