People attend the lighting ceremony for ZooLights, a light show held at the San Francisco Zoo in San Francisco, the United States, Nov. 4, 2026. The light show will be open to the public from November 6, 2026 to January 3, 2027. (Photo by Liu Yilin/Xinhua)

People attend the lighting ceremony for ZooLights, a light show held at the San Francisco Zoo in San Francisco, the United States, Nov. 4, 2026. The light show will be open to the public from November 6, 2026 to January 3, 2027. (Photo by Liu Yilin/Xinhua)

People attend the lighting ceremony for ZooLights, a light show held at the San Francisco Zoo in San Francisco, the United States, Nov. 4, 2026. The light show will be open to the public from November 6, 2026 to January 3, 2027. (Photo by Liu Yilin/Xinhua)

People attend the lighting ceremony for ZooLights, a light show held at the San Francisco Zoo in San Francisco, the United States, Nov. 4, 2026. The light show will be open to the public from November 6, 2026 to January 3, 2027. (Photo by Liu Yilin/Xinhua)