Use a waterproof case, or waterproof video recording device. Attach the suction cups to glass/smooth tiles in the pool, or use the open hooking end with a rope or string. Get creative and you can get any amazing shot you can dream up.
Many anthropologists consider the Lower Omo Valley, in Ethiopia, to be the cradle of Mankind. Several ethnic groups currently inhabit the region, living in surroundings that seem nearly unchanged from the Bronze Age.