Years of observations by biologists Dian Fossey, who observed gorillas, and Jane Goodall, who worked with chimpanzees, could not prove that animals cry tears from emotion.

观察大猩猩的生物学家戴安·福西（Dian Fossey）和研究黑猩猩的珍·古道尔（Jane Goodall）经过多年的观察，都无法证明动物会因为情绪激动而流泪。

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Dian Fossey spent 19 years studying the rare mountain gorillas of Africa.

黛安·佛西花费19年研究非洲的稀有山区大猩猩。

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Last year an international team in Rwanda recovered the remains of more than 70 gorillas, including some that Fossey lived among.

去年一支国际研究小组在卢旺达发现了70多只大猩猩的遗骸，包括一些曾与福塞共同生活过的山地大猩猩。

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In nineteen eighty, Fossey left Karisoke and accepted a position at Cornell University in Ithaca,New York.

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He took a picture of an adult male gorilla named Peanuts touching Fossey's hand.

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The Karisoke Research Center, operated by the Dian Fossey Gorilla Fund International and located in Volcanoes National Park, is the world's most important facility for studying the mountain gorilla.

CNN: Up close with Rwanda's endangered mountain gorillas

Not long after the species' greatest champion, the American zoologist Dian Fossey, was killed in Rwanda in 1985, there were fewer than 300 of the giant primates left in the wild.

CNN: Up close with Rwanda's endangered mountain gorillas

This is due to the efforts of conservationists such as those working in Volcanoes National Park, in northwest Rwanda, where Fossey established a research center which continues to run in her name today.

CNN: Up close with Rwanda's endangered mountain gorillas