Giant panda Katyusha eats at Moscow Zoo in Moscow, Russia, Aug. 24, 2025. Katyusha, Russia's first giant panda cub born at Moscow Zoo, celebrated her second birthday on Sunday. (Photo by Alexander Zemlianichenko Jr/Xinhua)

Giant panda Katyusha enjoys the ice birthday cake prepared by the caretakers at Moscow Zoo in Moscow, Russia, Aug. 24, 2025. Katyusha, Russia's first giant panda cub born at Moscow Zoo, celebrated her second birthday on Sunday. (Photo by Alexander Zemlianichenko Jr/Xinhua)

Giant panda Katyusha eats at Moscow Zoo in Moscow, Russia, Aug. 24, 2025. Katyusha, Russia's first giant panda cub born at Moscow Zoo, celebrated her second birthday on Sunday. (Photo by Alexander Zemlianichenko Jr/Xinhua)

People take pictures of giant panda Katyusha at Moscow Zoo in Moscow, Russia, Aug. 24, 2025. Katyusha, Russia's first giant panda cub born at Moscow Zoo, celebrated her second birthday on Sunday. (Photo by Alexander Zemlianichenko Jr/Xinhua)

Giant panda Katyusha enjoys the ice birthday cake prepared by the caretakers at Moscow Zoo in Moscow, Russia, Aug. 24, 2025. Katyusha, Russia's first giant panda cub born at Moscow Zoo, celebrated her second birthday on Sunday. (Photo by Alexander Zemlianichenko Jr/Xinhua)

Giant panda Katyusha enjoys the ice birthday cake prepared by the caretakers at Moscow Zoo in Moscow, Russia, Aug. 24, 2025. Katyusha, Russia's first giant panda cub born at Moscow Zoo, celebrated her second birthday on Sunday. (Photo by Alexander Zemlianichenko Jr/Xinhua)

Giant panda Katyusha is pictured at Moscow Zoo in Moscow, Russia, Aug. 24, 2025. Katyusha, Russia's first giant panda cub born at Moscow Zoo, celebrated her second birthday on Sunday. (Photo by Alexander Zemlianichenko Jr/Xinhua)