Ключевые слова: africa, african, aggression, aggressive, angry, animal, aquatic, big, body, botswana, danger, eye, fat, gray, green, grey, head, herbivore, hippo, hippo africa, hippopotamus, hippopotamus amphibius, horizontal, huge, jaw, large, male, mammal, mouth, natural, nature, open, park, portrait, relax, river, safari, safari animals, south, water, wide, wild, wild animal, wildlife, zoo,