Ключевые слова: adventure, africa, blue water, canine, close up, danger, exotic, face, frankfurt, head, herbivorous, hippo, hippopotamus, hippopotamus amphibius linnaeus, khwai, large, maasai mara, male, mammal, moremi, namibia, national park, nature, okavango delta, portrait, resting, river, safari, semiaquatic, south africa, southern africa, strong, subsaharan africa, swimming, water, wild, wilderness, wildlife, yawn, zoo,