Ключевые слова: animal, animal head, animal themes, ape, cage, captivity, chimp, chimpanzee, closeup, color image, common chimpanzee, confined, day, den, depression, eye, eyes, front view, headshot, hope, horizontal, human, hutch, jail, life, loneliness, lonely, look, looking, looking at camera, mammal, monkey, nature, no people, one animal, outdoors, primate, prison, prisoner, sad, sadness, solitude, space, trapped, vertical, waiting, wild, wildlife, zoo,