People visit California Academy of Sciences during Academy Day in San Francisco, California, the United States, April 4, 2024. California Academy of Sciences marked its 171st anniversary with various activities on Thursday. (Photo by Liu Yilin/Xinhua)
People visit California Academy of Sciences during Academy Day in San Francisco, California, the United States, April 4, 2024. California Academy of Sciences marked its 171st anniversary with various activities on Thursday. (Photo by Liu Yilin/Xinhua)
People visit California Academy of Sciences during Academy Day in San Francisco, California, the United States, April 4, 2024. California Academy of Sciences marked its 171st anniversary with various activities on Thursday. (Photo by Liu Yilin/Xinhua)