Newly arrived giant panda Yuan Yuan sits in his enclosure at the Schonbrunn Zoo in Vienna, Austria on Wednesday, April 17, 2019. The 20-year-old male panda left China for Austria on Tuesday for a four-year collaborative research project. [Photo: Vienna Zoo via IC/Daniel Zupanc]" Newly arrived male panda Yuan Yuan walks in his enclosure at the Schonbrunn Zoo in Vienna, Austria on Wednesday, April 17, 2019. [Photo: Vienna Zoo via IC/Daniel Zupanc]" |