Ключевые слова: animal, ape, behind, black, board, brown, cage, captive, captivity, captured, chimpanzee, close, couching, depression, despair, drawing, endangered, environment, exhibit, expression, expressive, face, hairy, hooded, illustration, jail, jungle, locked, mammal, metal, monkey, natural, nature, outdoor, primate, prison, rainforest, rock, sad, sadness, sentence, single, sky, solitude, trapped, wild, wildlife, wood, wooden, zoo,