Ключевые слова: africa, african, amphibious, amphibius, animal, animals, aquatic, big, body, brown, danger, dangerous, display, drive, family, fat, game, head, herbivore, hippo, hippopotamus, huge, large, mammal, mara, massive, mouth, muzzle, national, nature, one, park, reflection, reserve, river, safari, serengeti, south, south africa, southern, submerged, teeth, travel, unspoiled, water, wet, wild, wilderness, wildlife, young,