Ключевые слова: animal, ape, away, baby, bars, behind, black, brown, cage, caged, captivity, captured, chimpanzee, despair, environment, environmental, exhibit, eyes, face, fence, gorilla, hairy, head, herbivore, iron, jail, jungle, locked, loneliness, mammal, monkey, muzzle, natural, nature, portrait, primate, prison, sad, sadness, sentence, solitude, tame, term, trapped, wild, wildlife, young, zoo,