What is the relationship between Yaya and Lele?

Yaya and Lele are husband and wife. Panda Lele and Yaya are a couple. It was shipped to the Memphis Zoo in the United States as an exchange object from China in 2003. This is also a cultural export measure taken by China to strengthen interaction and exchanges with countries around the world. As messengers of friendship, "Yaya" and "Lele" have given visitors from all over the United States a wonderful memory, and they have also made great contributions to the zoo's research and conservation projects. Out of long-term considerations for the protection of giant pandas and the reproduction of the species, the giant pandas that have been "abroad" in China since 1982 are all on lease, and they will return to China after the lease period expires. Giant panda (scientific name: Ailuropodamelanoleuca): A mammal belonging to the Ursidae family and the genus Giant Panda, it is a species endemic to China. There are only two subspecies of giant pandas, the Sichuan subspecies and the Qinling subspecies. Their main habitats are the mountainous areas of Sichuan, Shaanxi and Gansu in China. Male individuals are slightly larger than females. The body is plump and plump like a bear, with a round head and short tail. The head and body are 1.2 to 1.8 meters long, and the tail is 10 to 12 centimeters long. It weighs 80 to 120 kilograms and can reach up to 180 kilograms. Its body color is black and white, with round cheeks and large "dark circles". It has a signature pigeon-toed walking style and scalpel-like sharp claws.