Visitors pick souvenirs at the Panda World of Everland Resort in the city of Yongin, South Korea, on April 21, 2016. The Panda World of Everland Resort opened to the public on Thursday with giant panda "Ai Bao" and "Le Bao" from China. (Xinhua/Yao Qilin)

Chinese giant panda "Le Bao" eats bamboo at the Panda World of Everland Resort in the city of Yongin, South Korea, on April 21, 2016. The Panda World of Everland Resort opened to the public on Thursday with giant panda "Ai Bao" and "Le Bao" from China. (Xinhua/Yao Qilin)

Visitors take photos of giant panda "Le Bao" at the Panda World of Everland Resort in the city of Yongin, South Korea, on April 21, 2016. The Panda World of Everland Resort opened to the public on Thursday with giant panda "Ai Bao" and "Le Bao" from China. (Xinhua/Yao Qilin)

Visitors look at giant panda "Le Bao" at the Panda World of Everland Resort in the city of Yongin, South Korea, on April 21, 2016. The Panda World of Everland Resort opened to the public on Thursday with giant panda "Ai Bao" and "Le Bao" from China. (Xinhua/Yao Qilin)

Chinese giant panda "Le Bao" eats banboo shoots at the Panda World of Everland Resort in the city of Yongin, South Korea, on April 21, 2016. The Panda World of Everland Resort opened to the public on Thursday with giant panda "Ai Bao" and "Le Bao" from China. (Xinhua/Yao Qilin)

A visitor looks at giant panda "Ai Bao" at the Panda World of Everland Resort in the city of Yongin, South Korea, on April 21, 2016. The Panda World of Everland Resort opened to the public on Thursday with giant panda "Ai Bao" and "Le Bao" from China. (Xinhua/Yao Qilin)

A girl looks at giant panda "Le Bao" at the Panda World of Everland Resort in the city of Yongin, South Korea, on April 21, 2016. The Panda World of Everland Resort opened to the public on Thursday with giant panda "Ai Bao" and "Le Bao" from China. (Xinhua/Yao Qilin)

A visitor poses for photos with giant panda "Ai Bao" at the Panda World of Everland Resort in the city of Yongin, South Korea, on April 21, 2016. The Panda World of Everland Resort opened to the public on Thursday with giant panda "Ai Bao" and "Le Bao" from China. (Xinhua/Yao Qilin)

Chinese giant panda "Ai Bao" eats bamboo shoots at the Panda World of Everland Resort in the city of Yongin, South Korea, on April 21, 2016. The Panda World of Everland Resort opened to the public on Thursday with giant panda "Ai Bao" and "Le Bao" from China. (Xinhua/Yao Qilin)