Ключевые слова: alone, animal, ape, arm, background, biped, black, borneo, captive, captivity, cheek, cheeked, chimpanzee, endangered, expression, expressive, face, female, gibbon, green, hominid, house, indonesia, isolated, jungle, juvenile, lar, looking, malaysia, mammal, monkey, mouth, nature, old, orangutan, people, primate, primitive, simian, small, studio, sumatra, thailand, thoughtful, tree, white, white handed, wild, wildlife, young,