Why Do Rivers and Lakes Fall into Dreams?

There is a mountain in the rivers and lakes, and there is a story that if you go up the mountain, you can open the gate to heaven. It is also said that there is an immortal immortal who comes with a sword, and an immortal boy who is addicted to wine. The guest in Tsing Yi who walks down from the mountain to the rivers and lakes wants to taste the joy and hatred in the rivers and lakes. Is his life as pleasant and wonderful as the rivers and lakes in the stars and the sea in his eyes?