This photo taken on June 10, 2025 shows a squirrel in Chapultepec Zoo, Mexico City, capital of Mexico. Chapultepec Zoo, located in the heart of Mexico City, is one of the most popular zoos in Latin America and is open to the public free of charge. (Xinhua/Li Mengxin)

This photo taken on June 10, 2025 shows a squirrel in Chapultepec Zoo, Mexico City, capital of Mexico. Chapultepec Zoo, located in the heart of Mexico City, is one of the most popular zoos in Latin America and is open to the public free of charge. (Xinhua/Li Mengxin)

This photo taken on June 10, 2025 shows a Japanese macaque in Chapultepec Zoo, Mexico City, capital of Mexico. Chapultepec Zoo, located in the heart of Mexico City, is one of the most popular zoos in Latin America and is open to the public free of charge. (Photo by Francisco Canedo/Xinhua)

This photo taken on June 10, 2025 shows a Bengal tiger in Chapultepec Zoo, Mexico City, capital of Mexico. Chapultepec Zoo, located in the heart of Mexico City, is one of the most popular zoos in Latin America and is open to the public free of charge. (Photo by Francisco Canedo/Xinhua)

This photo taken on June 10, 2025 shows lechwes in Chapultepec Zoo, Mexico City, capital of Mexico. Chapultepec Zoo, located in the heart of Mexico City, is one of the most popular zoos in Latin America and is open to the public free of charge. (Photo by Francisco Canedo/Xinhua)

This photo taken on June 10, 2025 shows giraffes in Chapultepec Zoo, Mexico City, capital of Mexico. Chapultepec Zoo, located in the heart of Mexico City, is one of the most popular zoos in Latin America and is open to the public free of charge. (Xinhua/Li Mengxin)

This photo taken on June 10, 2025 shows an axolotl in Chapultepec Zoo, Mexico City, capital of Mexico. Chapultepec Zoo, located in the heart of Mexico City, is one of the most popular zoos in Latin America and is open to the public free of charge. (Xinhua/Li Mengxin)

Tourists visit Chapultepec Zoo in Mexico City, capital of Mexico, June 10, 2025. Chapultepec Zoo, located in the heart of Mexico City, is one of the most popular zoos in Latin America and is open to the public free of charge. (Photo by Francisco Canedo/Xinhua)