London Breed, left, Mayor of San Francisco, and Wu Minglu, Secretary General of China Wildlife Conservation Association (CWCA) hold up an agreement to lease giant pandas for the San Francisco Zoological Society and Gardens during a signing ceremony in Beijing, Friday, April 19, 2024. (AP Photo/Liu Zheng)
London Breed, mayor of San Francisco, left, and Wu Minglu, Secretary General of China Wildlife Conservation Association (CWCA), attend a signing ceremony for an agreement to lease giant pandas for the San Francisco Zoological Society and Gardens, in Beijing, Friday, April 19, 2024. (AP Photo/Liu Zheng)
London Breed, left, Mayor of San Francisco and Wu Minglu, Secretary General of China Wildlife Conservation Association (CWCA) hold up an agreement to lease giant pandas for the San Francisco Zoological Society and Gardens during a signing ceremony in Beijing, Friday, April 19, 2024. (AP Photo/Liu Zheng)