Hypo 4 - Africa, African, Animal, Basking, Bath, Bathing, Bite, Chilling, Conservation, Cool, Creature, Cuddly, Cute, Danger, Drown, Hazard, Hide, Hippo, Hippopotamouse, Hippopotamus, Lurk, Mammal, Menace, Mud, Nature, Relax, Safari, Splash, Submerged, Teeth, Wade, Wallow, Water, Whipsnade, Wild, Wildlife Photo