Ключевые слова: africa, african, amphibious, amphibius, animal, aquatic, big, body, brown, creature, danger, dangerous, family, fat, fierce, head, herbivore, hippo, hippopotamus, huge, large, life, light, mammal, mara, massive, mouth, muzzle, nature, one, park, power, reserve, river, safari, serengeti, south, submerged, teeth, travel, tropical, unspoiled, water, wet, white, wild, wilderness, wildlife, yawning, young,