It begins when rain or snowmelt from the sky, and spring water rising from underground, gather in high places like mountains or hills. If the rivers, the veins of the Earth, disappear, water and food will be cut off, and both people and animals will go extinct within a few months. If water gets polluted upstream of Baekpo Falls on Phoenix Mountain, a stone mountain, what effect will it have on fish? It will cause a fatal chain of suffering for all the fish in the ecosystem.