Ключевые слова: africa, african, aggressive, amphibius, animal, bath, bathed, big, black, breeding, bw, chobe, chord, closeup, conservation, danger, dangerous, diagonally, eye, fat, greyscale, head, herbivore, hidden, hide, hippo, hippopotamus, huge, lake, mammal, massive, monochrome, national, national park, nature, nose, park, portrait, river, riverfront, safari, southern, sunk, swimming, underwater, water, white, wild, wilderness, wildlife,