FILE PHOTO: Female giant panda cub Xiang Xiang (L) walks beside her mother Shin Shin (R) at Ueno Zoo in Tokyo on December 19, 2017. Xiang Xiang appeared to the public the first time at the zoo. REUTERS/Toru Yamanaka/Pool
FILE PHOTO: Female giant panda cub Xiang Xiang (L) walks beside her mother Shin Shin (R) at Ueno Zoo in Tokyo on December 19, 2017. Xiang Xiang appeared to the public the first time at the zoo. REUTERS/Toru Yamanaka/Pool