Eyewitness - Season 2 Episode 6 Pond and River
6.00 29 minutes Why did the U.S. Army go into battle with the Mississippi? What animal has the curious habit of climbing waterfalls? POND & RIVER takes you on a twisting journey down the great rivers of the world, pausing to visit the thriving realm of the freshwater pond. Travel upstream to find civilization's source - then down again to see the key to our very survival.
