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Photo taken on Feb. 13, 2019 shows a seal cub at Harbin Polarland in northeast China's Heilongjiang Province. Seal "Sha Sha" gave birth to a cub at Harbin Polarland. (Xinhua/Wang Jianwei)
Photo taken on Feb. 13, 2019 shows a seal cub at Harbin Polarland in northeast China's Heilongjiang Province. Seal "Sha Sha" gave birth to a cub at Harbin Polarland. (Xinhua/Wang Jianwei)