Ключевые слова: africa, african, amphibius, animal, aquatic, big, body, botswana, brown, danger, dangerous, evening, eye, fat, fauna, head, herbivore, hippo, hippopotamus, huge, lake, large, male, mammal, massive, mouth, national, natural, nature, park, pool, portrait, reserve, river, safari, south, sun, swim, teeth, water, wet, wild, wilderness, wildlife, young,