Prince Rainier III Of Monaco With His Pet Chimpanzee [Getty Images]

Prince Rainier III of Monaco hugging his five-year-old pet chimpanzee called Tanugre, circa 1954, (Photo by Popperfoto via Getty Images/Getty Images) — see more

Prince Rainier III of Monaco hugging his five-year-old pet chimpanzee called Tanugre, circa 1954, (Photo by Popperfoto via Getty Images/Getty Images)

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