Alfred Bama, an animal keeper from Cameroon, has an extraordinary connection with gorillas. "Nyango," one of the gorillas he looks after, is the world's only Cross River gorilla in captivity. Until just a few years ago, this species was thought to be extinct. Now, Bama embarks on the greatest challenge of his life: locating Nyango's family in the wild to protect them before it's too late.
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