Ключевые слова: africa, african, amphibius, animal, bathing, big, biodiversity, closeup, ecosystem, endangered, eyes, freshwater, grazer, head, herbivore, hippo, hippopotamus, iconic, large, looking, mammal, mouth, nature, portrait, power, river, safari, skin, species, strength, sunlight, sunset, teeth, water, wet, wild, wildlife, zoology,