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Female elephant seals rest on the Piedras Blancas elephant seal rookery on the central coast of California, the United States, Dec. 8, 2019. (Photo by Joel Lerner/Xinhua)
Female elephant seals rest on the Piedras Blancas elephant seal rookery on the central coast of California, the United States, Dec. 8, 2019. (Photo by Joel Lerner/Xinhua)