Two years old female giant panda cub Nuan Nuan climbs a tree at the Giant Panda Conservation Center during Nuan Nuan's 2nd birthday celebration at National Zoo in Kuala Lumpur, Malaysia Wednesday, August 23, 2017. The cub, the offspring of Xing Xing and Liang Liang, two giant pandas on loan to Malaysia from China in 2014, has been named Nuan Nuan. (Photo by Daniel Chan/AP Photo)
