NHK Documentaries
The Choshi River: Seeing the Unseeable
2019 • E7 Jan 26, 2019 50m
In Japan, many rivers are known for their clear, beautiful water. But the Choshi River is so free of dirt and sediment that you can "see the unseeable." Creatures and plants far below the surface that would not be visible in other rivers can easily be viewed. What's the secret behind the Choshi's amazing clarity? Join us as we explore the geology and ecology of this remarkable river.