Ключевые слова: animal, ape, black, captive, captivity, chimp, chimpanzee, closeup, cruelty, depressed, depression, despair, desperation, emotions, endangered, expression, expressive, face, head, hopeless, isolated, loneliness, lonely, misery, monkey, pain, ponder, portrait, primate, sad, sadness, sensitive, sorrow, sulking, think, thoughtful, white, wildlife, worried, zoo,