Ключевые слова: africa, african, amphibius, animal, animals, aquatic, big, common, danger, dangerous, east, fat, fauna, head, herbivore, hippo, hippopotamus, huge, kenya, lake, large, mammal, mouth, national, natural, nature, park, pond, portrait, reserve, river, serengeti, south, submerged, swimming, tanzania, teeth, travel, water, wet, wild, wilderness, wildlife,