Cyril Ruoso / Professor Matsuzawa, primatologist, in the field with stone hammer and anvil tool used by local Chimpanzees (Pan troglodytes verus) Bossou, Republic of Guinea. December 2012.
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Cyril Ruoso / Professor Matsuzawa, primatologist, in the field. Republic of Guinea December 2012.
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Cyril Ruoso / Professor Matsuzawa, primatologist, in the field. Bossou, Republic of Guinea December 2012.
Cyril Ruoso / Chimpanzee (Pan troglodytes) conservationist, Professor Matsuzawa, holding plant at nursery to establish wildlife corridor for chimpanzees, Bossou, Guinea
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Cyril Ruoso / Chimpanzee (Pan troglodytes) conservationist, Professor Matsuzawa, at nursery to establish wildlife corridor for chimpanzees, Bossou, Guinea
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Cyril Ruoso / Chimpanzee (Pan troglodytes) conservationist, Professor Matsuzawa, establishing wildlife corridor for chimpanzees, Bossou, Guinea